CN203135666U - Brushless electro-magnetic synchronous motor provided with two stators and single cage-barrier rotor - Google Patents
Brushless electro-magnetic synchronous motor provided with two stators and single cage-barrier rotor Download PDFInfo
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- CN203135666U CN203135666U CN 201320154129 CN201320154129U CN203135666U CN 203135666 U CN203135666 U CN 203135666U CN 201320154129 CN201320154129 CN 201320154129 CN 201320154129 U CN201320154129 U CN 201320154129U CN 203135666 U CN203135666 U CN 203135666U
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Abstract
The utility model relates to a modularized self-excitation synchronous motor provided with a single cage-barrier rotor coupled with two stators. The self-excitation synchronous motor provided with the modularized single cage-barrier rotor coupled with the two stators is characterized in that an inner stator and an outer stator are disposed inside and outside the rotor respectively and grooves of the stators adjacent to the rotor are provided with three-phase symmetrical armature windings and single-phase symmetrical exciting windings respectively; cage-barrier rotor modules on both of the inner surface and the outer surface of the rotor are combined with a sleeve through positioning grooves, so that the rotor provided with salient poles on both of the inner side and the outer side is formed; the cage-barrier rotor modules are provided with a plurality of radial trapezoid grooves of different ladder-like groove widths in surfaces adjacent to the stator and short-circuit cage strips are disposed in the grooves; and joints of the adjacent cage-barrier rotor modules are step-shaped openings, common trapezoid grooves with bottom gaps deep to the inner surface of the sleeve are formed in the joints of adjacent rotor modules spliced together, and common cage strips are disposed in the grooves. The novel self-excitation synchronous motor provided with the modularized single cage-barrier rotor coupled with the two stators provided by the utility model is convenient for processing and manufacturing and can realize stator-side self excitation, so that the high-power density, good steady state and dynamic performance are realized.
Description
Technical field:
The utility model relates to a kind of alternating current machine, and particularly a kind of pair of stator list cage hinders rotor brushless electric excitation synchronous motor and control method thereof.This motor both can have been done the motor operation, can make generator operation again.
Background technology:
Two stator list cage barrier rotor brushless electric excitation synchronous motors have 2 stators, the three symmetrical excitation winding (the perhaps single-phase symmetrical excitation winding of three of the 2q utmost point symmetrical armature winding and the 2p utmost point) that single-phase symmetrical armature winding and the 2q utmost point of the 2p utmost point are arranged on each stator, and the coupling of satisfying between 2p-2q 〉=4, two cover windings is by p
rThe rotor of the utmost point particular design of=p+q is realized, therefore this kind motor need not to install electric brush slip ring, can compare the running reliability of motor height with conventional synchronous machine by the interaction realization energy converting between mechanical in excitation winding magnetic field and armature winding magnetic field, maintenance cost is low.The rotor structure that can be used for this kind motor mainly comprises Wound-rotor type and reluctance type two big classes.Wherein Wound-rotor type comprises individual layer concentric type short-circuited winding, the double-deck distributed winding of slot ripples; The magnetic resistance class comprises the radially lamination salient pole reluctance rotor with teeth groove, axial lamination reluctance rotor.
The advantage of coiling class rotor structure be manufacturing process and conventional electric machinery seemingly, shortcoming is that the coupling that stator two is overlapped windings is cost to sacrifice rotor winding copper loss fully, and it is not good enough to stator two cover winding coupled abilities, the dynamic property of motor is also relatively poor, and the manufacturability of the double-deck distributed winding of slot ripples is not good enough.The advantage of magnetic resistance class rotor be on the rotor without any copper loss, different to stator two cover winding coupled abilities and processed complex degree.Radially lamination salient pole reluctance rotor with teeth groove is easy to processing, but not good enough to the coupling effect of stator two cover windings; Axially the coupling ability of lamination reluctance rotor is strong, but the manufacturing process complexity, application difficult in large-size stator double winding alternating current machine.
Summary of the invention
Goal of the invention: the utility model provides a kind of pair of stator list cage barrier rotor brushless electric excitation synchronous motor and control method thereof, its purpose is to have proposed a kind of processing and manufacturing of both being convenient to, can make again each stator two cover winding coupled abilities are realized maximization, thereby have novel pair of stator list cage barrier rotor brushless electric excitation synchronous motor structure of high power density and good stable state and dynamic property, the while has also been improved the disturbance rejection ability of this kind alternating current machine greatly.
Technical scheme: the utility model by the following technical solutions:
Two stator list cage barrier rotor brushless electric excitation synchronous motors, mainly comprise internal stator, external stator, rotor, controllable direct current power supply, it is characterized in that: motor radially is followed successively by internal stator, rotor, external stator from inside to outside, internal stator is fixed together by the alignment pin in the rotating shaft and rotating shaft, wherein all lay three symmetrical armature winding of the 2p utmost point and the single-phase symmetrical excitation winding of the 2q utmost point on internal stator and the external stator, the number of poles of armature winding and the number of poles of excitation winding are also interchangeable, but all satisfy 2p-2q 〉=4; The rotor surfaces externally and internally all adopts p
rIndividual identical cage barrier rotor module along the circumferential direction is combined into each surface and has p
rThe rotor of individual salient pole type, the sleeve that each cage barrier rotor module is made by location notch and non-magnet material near central side links to each other; Each cage barrier rotor module has a plurality of radially dovetail grooves near the surface of stator, radially the dovetail groove spacing can equate also can not wait, each dovetail groove radially has several ladder groove widths that does not wait, and puts into some conductors in each dovetail groove and forms short circuit cage bar; Adjacent cage barrier rotor module joint is the notch cuttype gap, and adjacent cage barrier rotor module splicing back forms p in its joint
rIndividual public dovetail groove, and the module gap depth of this trench bottom reaches sleeve surface always, and each public dovetail groove radially has several ladder groove widths that does not wait, and puts into some conductors in each public dovetail groove and forms public cage bar; Public cage bar and short circuit cage bar adopt the end conducting ring to be connected to form the galvanic circle respectively; Cage barrier rotor module center has many groups tangentially every magnetosphere, and the dovetail groove that embeds short circuit cage bar with both sides separately is combined to form and organizes radially lamination magnetic barrier, a plurality of magnetic layers of formation in cage barrier rotor module more respectively.
Armature winding links to each other with electrical network, and excitation winding links to each other with controllable direct current power supply.
The notch place of placing the dovetail groove of public cage bar and short circuit cage bar has interior gap and embeds slot wedge; Public cage bar end link form can for: the end conducting ring all connects together the public cage bar both side ends with layer in the public dovetail groove; Also can be with the public cage bar of individual layer separated into two parts in the public dovetail groove, the public cage bar of two parts respectively with adjacent public dovetail groove in the layer public cage bar link to each other by the end conducting ring; Also the public cage bar of public dovetail groove ectonexine can be linked to each other by the end conducting ring with the public cage bar of internal layer in the one-sided adjacent public dovetail groove; Also can in adjacent two public dovetail grooves, place the multiturn coil conductor; Short circuit cage bar end type of attachment can for: centered by cage barrier rotor module radial symmetric line, the same layer short circuit cage bar end that both sides are corresponding links to each other by conductor, forms and organizes the independently annular galvanic circle of concentric type more; Also outer short circuit cage bar can be linked to each other by conductor with the internal layer short circuit cage bar of corresponding dovetail groove, form and organize independently chiasma type concentric type loop checking installation more; Also can place the multiturn coil conductor in layer dovetail groove at corresponding two, the many groups coil-conductor number of turn on the same rotor module can be identical also can be different.
Cage barrier two ends of rotor is equipped with pressing plate, adding insulating barrier between pressing plate and rotor isolates, be drilled with the location hole identical with cage barrier rotor position of positioning hole on the pressing plate, the clamping screw that non-magnet material is made passes whole location holes vertically, utilizes nut to be fixed at the pressing plate two ends.
Whole rotor is installed in public dovetail groove slit remaining behind the winding and the module in the magnetic barrier slit pourable high temperature resistant non-magnet material or is not built.
Advantageous effect: the utility model provides a kind of novel pair of stator list cage barrier rotor brushless electric excitation synchronous motor, and the coupling ability that this kind alternating current machine has stator two cover windings is strong, power density and energy converting between mechanical efficient height, structural module, technology are simple, be convenient to make remarkable advantage such as large ac machines.
The beneficial effects of the utility model are: the rotor of this motor adopts radially lamination magnetic barrier and many group cage bar composite structures, when further improving rotor magnetic coupling ability, can effectively reduce air-gap field harmonic wave and loss, improve power density and the runnability of motor; Rotor pack radially laminates, and can reduce the eddy current loss in the rotor core, improves electric efficiency; The salient pole centerline is placed conduction cage bar, adopts hierarchical design, can effectively overcome faradic kelvin effect; Excitation winding is placed in stator side and realizes brushless excitation, compares with conventional synchronous machine, need not to install coaxial excitation system or electric brush slip ring device, and the motor reliability improves; Along one week of rotor by p
rIndividual identical stack of laminations constitutes, and such symmetrical structure can realize only processing a kind of lamination just can be assembled into whole rotor, thereby has significantly reduced the technology cost, is convenient to produce in batches.This kind NEW TYPE OF COMPOSITE rotor has novel structure, technology is simple, with low cost, mechanical strength is high, reliable, structural module, be convenient to the significant advantage of aspects such as industrialization.
Description of drawings
Fig. 1 is the two stator list cage barrier of the utility model rotor brushless electric excitation synchronous motor system configuration schematic diagram;
Fig. 2 is the utility model motor stator structure schematic diagram;
Fig. 3 is a kind of rotor structure schematic diagram of the utility model motor;
Fig. 4 is a kind of rotor module structural representation of the utility model motor;
Fig. 5 is the utility model rotor pressure plate structure schematic diagram;
Fig. 6 is a kind of end connected mode schematic diagram of the public cage bar of the utility model motor;
Fig. 7 is a kind of end connected mode expanded view of the public cage bar of the utility model motor;
Fig. 8 is second kind of connected mode expanded view of the public cage bar of the utility model motor;
Fig. 9 is the third connected mode end linked, diagram of the public cage bar of the utility model motor;
Figure 10 is a kind of connected mode schematic diagram of the utility model motor short circuit cage bar;
Figure 11 is second kind of connected mode end of the utility model motor short circuit cage bar linked, diagram;
Figure 12 is the public cage bar of the utility model motor and short circuit cage bar scheme of installation;
Figure 13 is second kind of connected mode expanded view of the public cage bar of the utility model motor and short circuit cage bar;
Description of reference numerals:
1. internal stator; 2. external stator; 3. rotor; 4. controllable direct current power supply; 5. electrical network; 6. armature winding; 7. excitation winding; 8. rotating shaft; 9. every magnetosphere; 10. magnetic layer; 11. public cage bar; 12 short circuit cage bars; 13. location hole; 14. location notch; 15. sleeve; 16. module gap; 17. slot wedge; 18. end conducting ring.
Embodiment
Below in conjunction with accompanying drawing the utility model is specifically described:
Fig. 1 is the two stator list cage barrier of the utility model rotor brushless electric excitation synchronous motor system configuration schematic diagram, this system mainly comprises internal stator 1, external stator 2, rotor 3, controllable direct current power supply 4, motor radially is followed successively by internal stator 1 from inside to outside, rotor 3, external stator 2, internal stator and rotating shaft are fixed together by the alignment pin in the rotating shaft 8 and rotating shaft 8, wherein all lay three symmetrical armature winding 6 and the extremely single-phase symmetrical excitation winding 7 of 2q of the 2p utmost point on internal stator 1 and the external stator 2, be two electric ports, two stators are totally four electric ports, armature winding 6 and excitation winding 7 numbers of poles are also interchangeable, but all satisfy 2p-2q 〉=4,, can realize the winding electric magnetic coupling maximization of the different numbers of poles of same stator two covers.Armature winding 6 links to each other with electrical network 5, and excitation winding 7 links to each other with controllable direct current power supply 4.Provide the voltage that to regulate amplitude to the excitation winding 7 of internal stator and external stator respectively by controllable direct current power supply 4, these armature winding 6 output voltages and power factor (as generator) be can regulate, motor output speed and torque (as motor) also can be regulated.
Fig. 2 is the utility model motor stator structure schematic diagram, Fig. 2 (a) is the outer stator structure schematic diagram, Fig. 2 (b) is the internal stator structural representation, two stators are evenly slotted near the surface of rotor, all embedded two in the groove and overlapped the independent symmetric winding that numbers of poles are respectively the 2p utmost point and the 2q utmost point, be armature winding 6 and excitation winding 7(or excitation winding 7 and armature winding 6), embed the multilayer winding in each groove, between every layer of winding insulation is arranged, two kinds of windings can adopt bilayer or single layer winding, and pitch can be whole distance or short distance.
Fig. 3 is a kind of rotor structure schematic diagram of the utility model motor, and described rotor surfaces externally and internally all adopts p
rIndividual identical cage barrier rotor module along the circumferential direction is combined into each surface and has p
rThe rotor of individual salient pole type, the sleeve 15 that each cage barrier rotor module is made by location notch 14 and non-magnet material near central side links to each other.
Fig. 4 is a kind of cage barrier of the utility model motor rotor module schematic diagram, each module has a plurality of radially dovetail grooves near the surface of stator, each dovetail groove radially has several ladder groove widths that does not wait, put into some conductors in each dovetail groove and form short circuit cage bar 12, in order to save cost and to simplify technology and also can only in the part dovetail groove, put into conductor; In addition, adjacent cage barrier external rotor module joint is the notch cuttype gap, two adjacent cage barrier external rotor module splicing backs form a public dovetail groove in its joint, and module gap 16 degree of depth of this trench bottom reach sleeve 15 surfaces always, main purpose is to isolate the adjacent block magnetic flux, make and the separate nothing coupling of magnetic circuit between each module improve the coupling performance that corresponding side motor stator two overlaps windings, whole rotor inner surface and outer surface have p
rIndividual so public dovetail groove is with p
rIndividual cage barrier rotor module along the circumferential direction magnetic is isolated, because sleeve 15 is non-magnet material, so also be non-magnetic between each cage barrier rotor module, comprise between the cage barrier module of the inside and outside both sides of rotor also not magnetic conduction, each module is all separate aspect structure and magnetic circuit two, each public dovetail groove radially has several ladder groove widths that does not wait, and puts into some conductors in each public dovetail groove and forms public cage bar 11.The notch place of placing the dovetail groove of public cage bar 11 and short circuit cage bar 12 has interior gap and embeds slot wedge 17, is used for fixing cage bar in the groove.Be greater than or equal to the well width of close sleeve 15 in the dovetail groove near the well width of stator, its objective is in order to overcome faradic kelvin effect, the cage bar number of plies in the dovetail groove can be individual layer or multilayer, quantity according to ladder in the ladder-type trough is chosen the number of plies, between each layer, all be added with insulation between cage bar and the rotor and isolate, the cage bar is joined together to form the loop by the end, and it all is 2 that the utility model accompanying drawing is chosen the number of plies.Cage barrier rotor module center has many groups tangentially every magnetosphere 9 among Fig. 3, the dovetail groove that embeds short circuit cage bar with both sides separately is combined to form the U-shaped radially lamination magnetic barrier of many groups respectively, in cage barrier rotor module, form a plurality of magnetic layers 10, its objective is the increase quadrature-axis reluctance, reduce direct axis reluctance, be convenient to magnetic flux along the path circulation that is conducive to magnetic field modulation, in addition, magnetic circuit is independent between all cage barrier rotor module, is adding after magnetosphere 9 forms U-shaped radially lamination magnetic barrier, its magnetic field transfer capability obviously improves, and more many every the magnetosphere number, effect is just more obvious, but when magnetosphere is too many, its cost can increase again, therefore should be chosen as the suitable number of plies every magnetosphere.In addition, each magnetic layer width can equate or not wait, width then embeds short circuit cage bar when not waiting dovetail groove spacing does not wait, can change air-gap reluctance and distribute, weaken the humorous wave amplitude in unfavorable magnetic field, strengthen the humorous wave amplitude in useful magnetic field, improve the coupling ability of stator two cover windings, reduce supplementary load loss, improve motor properties, when not high to performance requirement, also can adopt the identical magnetic layer of width.There are a plurality of location holes 13 medial septal magnetosphere inside and the lateral septal magnetosphere outside of each cage barrier rotor module.
Remaining public dovetail groove slit and the interior magnetic of module hindered pourable epoxy resin or high temperature resistant non-magnet material in the slit after whole rotor was installed winding, and its order is to strengthen the rotor bulk strength, reduces noise and vibration, also the cage bar is carried out fastening location; Also can not pour into a mould and utilize the gap ventilation heat radiation, reduce the temperature rise of motor, improve motor performance, and still can make the not coupling of magnetic circuit of each intermodule like this.Cage barrier rotor module adopts lamination axially to be overrided to form, and its purpose can reduce the eddy current loss in the rotor core, improves electric efficiency.Rotor adopts modular form, makes that only processing a kind of rotor module just can be assembled into whole rotor, has significantly reduced the technology cost, produces the bigger heavy-duty motor of motor external diameter, also is of value to this motor industrialization.
Fig. 5 is the utility model rotor pressure plate structure schematic diagram, the rotor pressing plate is positioned at the rotor axial two ends, identical with the rotor outer contour shape, adding insulating barrier between pressing plate and rotor isolates, be drilled with on the pressing plate with cage barrier rotor location hole 13(and see Fig. 3) the identical location hole 13 in position, the clamping screw that non-magnet material is made passes whole location holes 13 vertically, adding insulation between clamping screw and rotor module isolates, utilize nut to be fixed at the pressing plate two ends, the clamping screw that passes in the location hole of the outside has played the axial compression effect to cage barrier rotor module, also in order to resist the centrifugal force that bears when rotor module is rotated.The trapezoidal slit that the pressing plate outside is identical with shape with rotor dovetail groove same position, public cage bar 11 and short circuit cage bar 12 are passed from this slit, carry out the end and link.
The utility model rotor can only be installed public cage bar, also can adopt in addition and short circuit cage bar only is installed or any cage bar is not installed, and the inside and outside both sides of rotor can be the same or different.Public cage bar and short circuit cage bar can both play the magnetic field modulation effect, because public cage bar is positioned at the salient pole center, so its magnetic field modulation effect is more obvious than short circuit cage bar, therefore adopt form motor performance the best of public cage bar and short circuit cage bar, be followed successively by the form that only adopts public cage bar, the form that only adopts the form of short circuit cage bar, any cage bar is not installed later on.
Fig. 6 is a kind of end connected mode schematic diagram of the public cage bar of the utility model motor, adopts end conducting ring 18 that public cage bar 11 both side ends with layer in the public dovetail groove are linked together, and forms p
rIndividual mesh type galvanic circle, when outside magnetic flux passes the mesh center of galvanic circle, can induce electromotive force therein, thereby in the loop, form electric current, the magnetic direction that this electric current produces is opposite with outside flow direction, the main flux path of rotor thereby influence is flowed through, make main flux enter rotor from salient pole, played the effect every magnetic and change magnetic flux path, improve the magnetic field modulation effect, adopt insulation to isolate between internal layer and the outer field end conducting ring 18, so no current flows through between each layer, make that copper loss reduction and the magnetic field modulation effect of public cage bar 11 and end conducting ring 18 are better.
Fig. 7 is the end connected mode expanded view of public cage bar among Fig. 6.
Fig. 8 is second kind of connected mode expanded view of the public cage bar of the utility model motor, with public cage bar 11 separated into two parts of individual layer in the public dovetail groove, and mutually insulated is isolated, the public cage bar of two parts respectively with adjacent public dovetail groove in public cage bar link to each other by end conducting ring 18, can will connect into p with the public cage bar 11 of one deck
rThe annular galvanic circle of individual independence, its separated magnetic effect is identical with Fig. 7, but inside and outside two-layer also mutually insulated isolation can further reduce electric current in the public cage bar, reduces the copper loss of public cage bar 11 and end conducting ring 18, improves the magnetic field modulation effect; Also can place the multiturn coil conductor in adjacent two public dovetail grooves, it is identical with Fig. 8 that it connects signal, adopts the multicircuit winding coil, can reduce kelvin effect, and it is more obvious every the magnetic effect owing to the number of turn is more, makes that the motor-field modulation effect is better.
Fig. 9 is the third connected mode end linked, diagram of the public cage bar of the utility model motor the utility model motor, and outer public cage bar 11 links to each other formation p with the one-sided adjacent public cage bar 11 of internal layer that falls in the dovetail groove by end conducting ring 18
rThe independent annular galvanic circle of individual different layers, its connected mode expanded view is identical with Fig. 8, and the effect that reaches is also identical.
Figure 10 is a kind of connected mode schematic diagram of the utility model motor short circuit cage bar, in each cage barrier rotor module, centered by cage barrier rotor module radial symmetric line, the same layer short circuit cage bar end that both sides are corresponding links to each other by conductor, form and organize independently concentric type annular galvanic circle more, have the separated magnetic effect similar to public cage bar equally, can further improve the magnetic field modulation effect, each loop checking installation mutually insulated is isolated, and the loop checking installation that internal layer short circuit cage bar and outer short circuit cage bar form also mutually insulated is isolated.Also can place the multiturn coil conductor in the layer dovetail groove together corresponding two, form and organize independently concentric type annular multiturn galvanic circle more, adopt the multicircuit winding coil, can reduce kelvin effect, it is more obvious every the magnetic effect because the number of turn is more, magnetic field modulation is effective, organize independently formed on the same rotor module concentric type annular galvanic circle number of turn can equate also can not wait more, inequality can weakened field in disadvantageous harmonic field, improve the coupling ability of stator two cover windings, reduce supplementary load loss, further improve motor properties.
Figure 11 is second kind of connected mode end of the utility model motor short circuit cage bar linked, diagram, outer short circuit cage bar links to each other by conductor with the internal layer short circuit cage bar of corresponding dovetail groove, form and organize independently chiasma type concentric type loop checking installation more, the effect that reaches is identical with connected mode described in Figure 10.
Figure 12 is the public cage bar of the utility model motor and short circuit cage bar scheme of installation, the connected mode among the figure among public cage strip adoption Fig. 6, the connected mode of short circuit cage strip adoption Figure 10.No matter adopt which kind of form, all adopt insulation to isolate between all public cage bars and the short circuit cage bar.
Figure 13 is second kind of public cage bar and short circuit cage bar connected mode expanded view, and public cage bar and the short circuit cage bar of the same layer of end, the same side link together by same end conducting ring among the figure.Like this under the prerequisite of impact effect not, not only reduced the quantity of end connecting ring, simplified the motor end construction, reduced motor weight, and because all cage bar one sides link together, and each conductive loop internal induction electromotive force reduces, the electric current that flows through also reduces, the motor copper loss reduces, and efficient improves.
Above-mentioned connected mode can be applied to rotor inboard and the public cage bar in the rotor outside and being connected of short circuit cage bar respectively.
Claims (5)
1. two stator list cages hinder the rotor brushless electric excitation synchronous motors, mainly comprise internal stator (1), external stator (2), rotor (3), controllable direct current power supply (4), it is characterized in that: motor radially is followed successively by internal stator (1) from inside to outside, rotor (3), external stator (2), internal stator (1) is fixed together by alignment pin and the rotating shaft in the rotating shaft (8), wherein all lay three symmetrical armature winding (6) of the 2p utmost point and the single-phase symmetrical excitation winding (7) of the 2q utmost point on internal stator (1) and the external stator (2), perhaps the number of poles of the number of poles of armature winding (6) and excitation winding (7) exchanges, and all satisfies 2p-2q 〉=4; Rotor (3) surfaces externally and internally all adopts p
rIndividual identical cage barrier rotor module along the circumferential direction is combined into each surface and has p
rThe rotor of individual salient pole type, the sleeve (15) that each cage barrier rotor module is made by location notch (14) and non-magnet material near central side links to each other; Each cage barrier rotor module has a plurality of radially dovetail grooves near the surface of stator, radially the dovetail groove spacing equates or does not wait, each dovetail groove radially has several ladder groove widths that does not wait, and puts into some conductors in each dovetail groove and forms short circuit cage bar (12); Adjacent cage barrier rotor module joint is the notch cuttype gap, and adjacent cage barrier rotor module splicing back forms p in its joint
rIndividual public dovetail groove, and module gap (16) degree of depth of this trench bottom reaches sleeve (15) surface always, and each public dovetail groove radially has several ladder groove widths that does not wait, and puts into some conductors in each public dovetail groove and forms public cage bar (11); Public cage bar (11) and short circuit cage bar (12) adopt end conducting ring (18) to be connected to form the galvanic circle respectively; Cage barrier rotor module center has many groups tangentially every magnetosphere (9), and the dovetail groove that embeds short circuit cage bar (12) with both sides separately is combined to form and organizes radially lamination magnetic barrier, formation a plurality of magnetic layers (10) in cage barrier rotor module more respectively.
2. described pair of stator list of claim 1 cage hinders the rotor brushless electric excitation synchronous motor, and it is characterized in that: armature winding (6) links to each other with electrical network (5), and excitation winding (7) links to each other with controllable direct current power supply (4).
3. described pair of stator list of claim 1 cage hinders the rotor brushless electric excitation synchronous motor, it is characterized in that: the notch place of placing the dovetail groove of public cage bar (11) and short circuit cage bar (12) has interior gap and embeds slot wedge (17); Public cage bar (11) end link form can for: end conducting ring (18) all connects together public cage bar (11) both side ends with layer in the public dovetail groove; Also can be with the public cage bar of individual layer in the public dovetail groove (11) separated into two parts, the public cage bars of two parts (11) respectively with adjacent public dovetail groove in the layer public cage bar (11) link to each other by end conducting ring (18); Also can link to each other by end conducting ring (18) by the public cage bar of internal layer (11) that the public cage bar of public dovetail groove ectonexine (11) and one-sided adjacent public dovetail groove is interior; Also can in adjacent two public dovetail grooves, place the multiturn coil conductor; Short circuit cage bar (12) end type of attachment can for: centered by cage barrier rotor module radial symmetric line, same layer short circuit cage bar (12) end that both sides are corresponding links to each other by conductor, forms and organizes the independently annular galvanic circle of concentric type more; Also outer short circuit cage bar can be linked to each other by conductor with the internal layer short circuit cage bar of corresponding dovetail groove, form and organize independently chiasma type concentric type loop checking installation more; Also can place the multiturn coil conductor in layer dovetail groove at corresponding two, the many groups coil-conductor number of turn on the same rotor module can be identical also can be different.
4. described pair of stator list of claim 1 cage hinders the rotor brushless electric excitation synchronous motor, it is characterized in that: cage barrier two ends of rotor is equipped with pressing plate, adding insulating barrier between pressing plate and rotor isolates, be drilled with the location hole (13) identical with cage barrier rotor location hole (13) position on the pressing plate, the clamping screw that non-magnet material is made passes whole location holes (13) vertically, utilizes nut to be fixed at the pressing plate two ends.
5. described pair of stator list of claim 1 cage barrier rotor brushless electric excitation synchronous motor is characterized in that: whole rotor is installed in public dovetail groove slit remaining behind the winding and the module in the magnetic barrier slit pourable high temperature resistant non-magnet material or is not built.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320154129 CN203135666U (en) | 2013-03-29 | 2013-03-29 | Brushless electro-magnetic synchronous motor provided with two stators and single cage-barrier rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320154129 CN203135666U (en) | 2013-03-29 | 2013-03-29 | Brushless electro-magnetic synchronous motor provided with two stators and single cage-barrier rotor |
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| Publication Number | Publication Date |
|---|---|
| CN203135666U true CN203135666U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320154129 Withdrawn - After Issue CN203135666U (en) | 2013-03-29 | 2013-03-29 | Brushless electro-magnetic synchronous motor provided with two stators and single cage-barrier rotor |
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| CN (1) | CN203135666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166399A (en) * | 2013-03-29 | 2013-06-19 | 沈阳工业大学 | Modular single-cage barrier rotor double-stator self-excitation synchronous motor and control method thereof |
-
2013
- 2013-03-29 CN CN 201320154129 patent/CN203135666U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166399A (en) * | 2013-03-29 | 2013-06-19 | 沈阳工业大学 | Modular single-cage barrier rotor double-stator self-excitation synchronous motor and control method thereof |
| CN103166399B (en) * | 2013-03-29 | 2015-11-11 | 沈阳工业大学 | Modular single-cage barrier rotor double-stator self-excitation synchronous machine and control method thereof |
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