CN202231590U - Axial permanent magnetism motor adopting modularization amorphous alloy stator - Google Patents
Axial permanent magnetism motor adopting modularization amorphous alloy stator Download PDFInfo
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- CN202231590U CN202231590U CN2011203229851U CN201120322985U CN202231590U CN 202231590 U CN202231590 U CN 202231590U CN 2011203229851 U CN2011203229851 U CN 2011203229851U CN 201120322985 U CN201120322985 U CN 201120322985U CN 202231590 U CN202231590 U CN 202231590U
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Abstract
Disclosed is an axial permanent magnetism motor adopting a modularization amorphous alloy stator, comprising a stator and a rotor. The rotor comprises a left rotor disc and a right rotor disc fixedly connected with the left rotor disc into one body while the stator comprises stator shafts and a stator disc arranged upon the stator shafts, wherein the left rotor disc and the right rotor disc are respectively arranged upon the stator shafts at two sides of the stator disc; the stator disc comprises M stator modules (with M being an integer that can be divided by 3 with no remainder), with the stator modules connected in an end-to-end manner to form a closed ring; and each stator module comprises an insulation skeleton having an installing hole at the central section of the insulation skeleton, an amorphous alloy lamination arranged inside the installing hole, and a coil wound on the external surface of the insulation skeleton. The axial permanent magnetism motor of the utility model can simplify the manufacturing and assembling of an axial permanent magnetism motor and conveniently apply the amorphous alloy to the motor stator manufacturing, thereby reducing the motor iron loss and improving the motor production efficiency, operation efficiency, and power density.
Description
Technical field
The utility model relates to a kind of axial permanent magnetic motor, is specifically related to a kind of axial permanent magnetic motor that adopts modularization non-crystaline amorphous metal stator, belongs to design of electrical motor and manufacturing technology field.
Background technology
Along with being on the rise of energy problem, new energy field develop rapidlys such as wind power generation, electric automobile, these fields all require motor that high efficient and power density will be arranged.For satisfying these requirements, various new constructions, new material are constantly introduced in design of electrical motor and the manufacturing.
The axial permanent magnetic motor is compared the conventional radial motor, has higher torque density, thereby has received domestic and international researcher's extensive concern.But axial direction electric machine is failed as radial motor in the industrial quarters extensive use always.This mainly is that assembling is inconvenient because the stator of the axial direction electric machine of existing structure is made difficulty.
U.S. Pat 6,838,800B2, US 6,744,168B2, Japan Patent JP 2006344729A, JP 2007049804A, Chinese patent CN 1862928A disclose the stator modules constructing technology of several applications in radial motor respectively.These technology can significantly improve the assembling speed and the production efficiency of motor, and good effect has been received in extensive use in the industry cycle at present.Similar techniques is introduced in the axial direction electric machine, to solve stator manufacturing and assembly difficulty, is very promising.The disclosed technology of China utility application CN 1417921A has been done this trial, but its single-side structural can cause unilateral magnetic force, has limited its application in large-power occasions.
Under the certain situation of electric machine structure, the direct method that improves power of motor density is magnetic loading (promptly increasing the magnetic flux density in stator core and the air gap) or the rotating speed that increases motor.The stator core material of extensive use is a non-oriented silicon steel sheet in motor at present.But silicon steel sheet is when higher or frequency is higher at magnetic flux density, and the loss meeting of motor seriously increases.This has limited the further raising of power of motor density.In transformer, had at present applied non-crystaline amorphous metal to have very excellent soft magnet performance, its magnetic permeability, resistivity are high than silicon steel sheet, and coercive force, eddy current effect are little than silicon steel sheet.If non-crystaline amorphous metal is applied to motor, especially in the high speed rare-earth permanent-magnet electric machine, can further improve the power density of motor.
The utility model content
To the deficiency that prior art exists, the utility model purpose provides the axial permanent magnetic motor of the employing modularization non-crystaline amorphous metal stator that a kind of stator is easy to make and install, and has higher power density.
To achieve these goals, the utility model is to realize through following technical scheme:
The utility model comprises stator and rotor, and rotor comprises left rotor dish and the right rotor disk that is fixedly connected with the left rotor dish; Stator comprises stator axis and is arranged on the stator disk on the stator axis; Left rotor dish and right rotor disk are separately positioned on the stator axis of stator disk both sides; Stator disk comprises M stator modules, and M stator modules is in turn connected to form closed hoop from beginning to end, and wherein, M is for can be by 3 integers of dividing exactly; Stator modules have in the middle of comprising installing hole insulation framework, be arranged on the non-crystaline amorphous metal lamination in the installing hole and be wound on the coil of insulation framework outer surface.
Above-mentioned left rotor dish and right rotor disk include through the rotor case of Bearing Installation on stator axis, are arranged on the rotor back iron of rotor case inner surface and are installed in P permanent magnet of rotor back iron inner surface, are provided with three rotor screwed holes as the electromechanics interface on the rotor case at least; Wherein, P is not less than 2 even number, M divided by the merchant of the greatest common divisor gained of M and p be 3 positive integer doubly, (3 * p) gained results must be smaller or equal to 0.5 for M/.Thereby the assurance motor can stably be worked.
An above-mentioned P permanent magnet evenly distributes along the rotor back iron circumference by the alternate order of magnetic pole, and relative permanent magnet is parallel and magnetic pole is opposite on the permanent magnet on the left rotor dish and the right rotor disk.
The rotor case of above-mentioned left rotor dish and the rotor case of right rotor disk are fixedly connected through securing member.
What above-mentioned rotor back iron adopted is the magnetic conduction steel, and what rotor case adopted is non-magnet material, and what bearing adopted is magneto bearing.
The said stator axle is provided with fairlead.
Coil on the above-mentioned M stator modules joins end to end and forms the threephase stator winding, and draw from fairlead the end of threephase stator winding, forms the motor electric interfaces.
The both sides of above-mentioned insulation framework be equipped with tooth and with the suitable groove of tooth, each stator modules connects through tooth and groove buckle.
Said stator disk and stator axis are one through the capsulation material plastic packaging.About capsulation material had not only played and fixed, the destruction that also can protect copper cash, non-crystaline amorphous metal lamination not to receive external environment had also increased the winding radiating surface simultaneously.
Above-mentioned non-crystaline amorphous metal lamination is to be overrided to form by the amorphous alloy strips through annealing in process.
The utility model can be applied to the motor stator manufacturing with non-crystaline amorphous metal, thereby reduce the motor iron loss in simplify axial permanent magnetic motor manufacturing assembling process easily, has improved motor production efficiency, operational efficiency and power density.
Description of drawings
Fig. 1 is the overall structure sketch map of the utility model;
Fig. 2 is the structural representation (not comprising rotor case, bearing, stator axis) of the utility model
Fig. 3 is the monolateral rotor back iron and the structural representation of permanent magnet;
Fig. 4 is the sketch map of magnetic flux path under adjacent two pole-faces of motor;
Fig. 5 is the shaft side figure of the insulation framework that constitutes a stator modules, non-crystaline amorphous metal lamination, coil;
Fig. 6 is a stator modules shaft side figure that assembling is accomplished;
Fig. 7 is the structural representation (not comprising capsulation material) of stator;
Fig. 8 is that the threephase stator winding among the embodiment connects sketch map;
Fig. 9 is for along the sectional structural map of motor diameter (stator the latter half do not draw stator plastic packaging).
Each label among the figure: 1, rotor back iron, 2, permanent magnet, 3, insulation framework, 4, coil, 5, the non-crystaline amorphous metal lamination; 6, rotor case, 8, bearing, 9, stator axis, 10, the rotor screwed hole, 11, securing member; 12, capsulation material, 13, tooth, 14, groove, 15, fairlead.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with embodiment, further set forth the utility model.
Referring to Fig. 1 and Fig. 2, the utility model comprises rotor and stator, and rotor comprises left rotor dish and the right rotor disk that is fixedly connected with the left rotor dish.
Stator comprises stator axis 9 and is installed in the stator disk on the stator axis 9.Left rotor dish, right rotor disk lay respectively at the and arranged on left and right sides of stator disk.The center of stator axis 9 has fairlead 15.
Left rotor dish and right rotor disk include through bearing 8 and are installed in rotor case 6 on the stator axis 9, are installed in the rotor back iron 1 of rotor case 6 inner surfaces and are installed in P permanent magnet 2 of rotor back iron 1 inner surface, are provided with three rotor screwed holes 10 as the electromechanics interface on the rotor case 6 at least.The rotor case 6 of left rotor dish is fixedly connected through securing member 11 with the rotor case 6 of right rotor disk.
Stator disk comprises M stator modules, and M stator modules is in turn connected to form closed hoop from beginning to end.
Stator is a fixed part, and motor is installed in its application scenario through stator axis 9, is doing the wind-driven generator time spent such as motor, and stator axis 9 is installed on the blower fan bar; Do the electric automobile hub formula motor time spent, stator axis 9 is installed under the knuckle.
Rotor is a rotating parts.During machine operation, torque through with rotor case 6 on the mechanical part transmission of rotor screwed hole 10 bolts.Such as doing the wind-driven generator time spent, fan leaf is fixed on the rotor case 6 through rotor screwed hole 10; Do the electric automobile hub formula motor time spent, the doughnut steel ring is fixed on the rotor case 6 through rotor screwed hole 10.
Referring to Fig. 3, on rotor back iron 1, P permanent magnet 2 by the alternate order of polarity N-S equably (circumferencial direction) be mounted on its inner surface, form p magnetic pole, P is not less than 2 even number, p=10 in the present embodiment.Relative two permanent magnets 2 are parallel and polarity is opposite on the different rotor back iron 1.
Stator discs is made up of M stator modules, and M is for can be by 3 positive integers that divide exactly, M=12 in the present embodiment.
Referring to Fig. 4; The N utmost point of magnetic flux on the rotor back iron 1; Pass through air-gap, non-crystaline amorphous metal lamination 5, the air-gap of offside, the S utmost point of offside, the rotor back iron 1 of offside, the adjacent N utmost point of offside, the air-gap of offside, adjacent non-crystaline amorphous metal lamination 5, the air-gap of this side, the adjacent S utmost point of this side and the rotor back iron 1 of this side of this side successively; Finally get back to starting point, form a loop.
Referring to Fig. 5, each stator modules have in the middle of including installing hole (not marking among the figure) insulation framework 3, be inserted in the non-crystaline amorphous metal lamination 5 in the installing hole and be wound on the coil 4 of insulation framework 3 outer surfaces.
In the present embodiment, being shaped as of installing hole is trapezoidal.What insulation framework 3 adopted is the I-shaped skeleton of being processed by insulating material such as plastics, and 3 two seamed edge angles of insulation framework are the 360/M degree.The both sides of insulation framework 3 all have two swallow-tail forms tooth 13 and with the groove 14 of the suitable swallow-tail form of the tooth of swallow-tail form 13.
Non-crystaline amorphous metal lamination 5 is to be overrided to form by the amorphous alloy strips as thin as a wafer that the equal in length after annealing in process, width do not wait, and has avoided complicated shear history and the stress rupture that brings thus.
Behind the installing hole in the non-crystaline amorphous metal lamination 5 insertion insulation framework 3, copper cash evenly is wound on outside the insulation framework 3, form a coil 4, promptly obtain a stator modules shown in Figure 6.M this stator modules links to each other through the tooth 13 of the swallow-tail form of both sides, groove 14 buckles of swallow-tail form, forms a stator disk as shown in Figure 7.The end of each coil 4 among Fig. 7 is the first according to certain rules continuous, form U as shown in Figure 8, V, W threephase stator winding.Stator axis 9 is inserted the stator disk center, and the end of threephase stator winding is drawn from fairlead 15, form the motor electric interfaces.
Use again such as the epoxy resin that glass fiber is strengthened capsulation material 12 with stator discs and stator axis 9 with one heart plastic packaging promptly form the stator of motor together.Stator behind the plastic packaging is seen the first half of Fig. 9.About capsulation material 12 had not only played and fixed, the destruction that also can protect copper cash, non-crystaline amorphous metal lamination 5 not to receive external environment had also increased the winding radiating surface simultaneously.
Referring to Fig. 9, what the material of two rotor case 6 adopted is that non-magnet_conductible materials such as aluminium alloy, stainless steel process.The rotor back iron 1 that has mounted behind the permanent magnet 2 clamps the inboard that is contained in two rotor case 6 respectively.Clamp respectively in the hole at rotor case 6 centers the outer ring of two bearings 8.Two rotor disks have so just been formed.The axle at packaged stator two ends is inserted the inner ring of two bearings 8 respectively and by behind the convexity at the stator axis 9 middle parts location, the stator discs both sides form the air gap of a pair of symmetry.Promptly accomplish the assembling of motor after again two rotor disks being fixed through securing member 11.
Can stably work for the assurance motor, p, M also need satisfy following condition:
(1) M divided by the merchant of the greatest common divisor gained of M and p be 3 positive integer doubly;
(2) (3 * p) gained results must be smaller or equal to 0.5 for M/.
More than show and described basic principle, principal character and the advantage of the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection range to be defined by appending claims and equivalent thereof.
Claims (10)
1. an axial permanent magnetic motor that adopts modularization non-crystaline amorphous metal stator comprises stator and rotor, it is characterized in that,
Said rotor comprises left rotor dish and the right rotor disk that is fixedly connected with the left rotor dish;
Said stator comprises stator axis (9) and is arranged on the stator disk on the stator axis (9);
Said left rotor dish and right rotor disk are separately positioned on the stator axis (9) of stator disk both sides;
Said stator disk comprises M stator modules, and a said M stator modules is in turn connected to form closed hoop from beginning to end, and wherein, M is for can be by 3 integers of dividing exactly;
Said stator modules have in the middle of comprising installing hole insulation framework (3), be arranged on the non-crystaline amorphous metal lamination (5) in the installing hole and be wound on the coil (4) of insulation framework (3) outer surface.
2. the axial permanent magnetic motor of employing modularization non-crystaline amorphous metal stator according to claim 1 is characterized in that,
Said left rotor dish and right rotor disk include through bearing (8) and are installed in rotor case (6) on the stator axis (9), are arranged on the rotor back iron (1) of rotor case (6) inner surface and are installed in P the permanent magnet (2) of rotor back iron (1) inner surface, are provided with three rotor screwed holes (10) as the electromechanics interface on the said rotor case (6) at least;
Wherein, P is not less than 2 even number, M divided by the merchant of the greatest common divisor gained of M and p be 3 positive integer doubly, (3 * p) gained results must be smaller or equal to 0.5 for M/.
3. the axial permanent magnetic motor of employing modularization non-crystaline amorphous metal stator according to claim 2 is characterized in that,
A said P permanent magnet (2) evenly distributes along rotor back iron (1) circumference by the alternate order of magnetic pole, and relative permanent magnet (2) is parallel and magnetic pole is opposite on the permanent magnet (2) on the said left rotor dish and the right rotor disk.
4. the axial permanent magnetic motor of employing modularization non-crystaline amorphous metal stator according to claim 2 is characterized in that, the rotor case of said left rotor dish (6) is fixedly connected through securing member (11) with the rotor case (6) of right rotor disk.
5. according to the axial permanent magnetic motor of any described employing modularization non-crystaline amorphous metal stator of claim 2 to 4, it is characterized in that,
What said rotor back iron (1) adopted is the magnetic conduction steel, and what said rotor case (6) adopted is non-magnet material, and what said bearing (8) adopted is magneto bearing.
6. according to the axial permanent magnetic motor of any described employing modularization non-crystaline amorphous metal stator of claim 1 to 4, it is characterized in that,
Said stator axis (9) is provided with fairlead (15).
7. the axial permanent magnetic motor of employing modularization non-crystaline amorphous metal stator according to claim 6 is characterized in that,
Coil (4) on the said M stator modules joins end to end and forms the threephase stator winding, and draw from fairlead (15) end of said threephase stator winding, forms the motor electric interfaces.
8. according to the axial permanent magnetic motor of any described employing modularization non-crystaline amorphous metal stator of claim 1 to 4, it is characterized in that,
The both sides of said insulation framework (3) be equipped with tooth (13) and with the suitable groove (14) of tooth (13), said each stator modules connects through tooth (13) and groove (14) buckle.
9. according to the axial permanent magnetic motor of any described employing modularization non-crystaline amorphous metal stator of claim 1 to 4, it is characterized in that,
Said stator disk and stator axis (9) are one through capsulation material (12) plastic packaging.
10. according to the axial permanent magnetic motor of any described employing modularization non-crystaline amorphous metal stator of claim 1 to 4, it is characterized in that,
Said non-crystaline amorphous metal lamination (5) is to be overrided to form by the amorphous alloy strips through annealing in process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203229851U CN202231590U (en) | 2011-08-31 | 2011-08-31 | Axial permanent magnetism motor adopting modularization amorphous alloy stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203229851U CN202231590U (en) | 2011-08-31 | 2011-08-31 | Axial permanent magnetism motor adopting modularization amorphous alloy stator |
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| Publication Number | Publication Date |
|---|---|
| CN202231590U true CN202231590U (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203229851U Expired - Fee Related CN202231590U (en) | 2011-08-31 | 2011-08-31 | Axial permanent magnetism motor adopting modularization amorphous alloy stator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315741A (en) * | 2011-08-31 | 2012-01-11 | 东南大学 | Axial permanent magnet motor with modularized amorphous alloy stator |
| CN108155733A (en) * | 2018-01-10 | 2018-06-12 | 武汉索特南洋电机有限公司 | A kind of disc type electric machine |
-
2011
- 2011-08-31 CN CN2011203229851U patent/CN202231590U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315741A (en) * | 2011-08-31 | 2012-01-11 | 东南大学 | Axial permanent magnet motor with modularized amorphous alloy stator |
| CN108155733A (en) * | 2018-01-10 | 2018-06-12 | 武汉索特南洋电机有限公司 | A kind of disc type electric machine |
| CN108155733B (en) * | 2018-01-10 | 2020-08-07 | 仪坤动力科技（上海）有限公司 | Disc type motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20150831 |
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| EXPY | Termination of patent right or utility model |