CN2877111Y - Magnetic conducting iron core for electric machine - Google Patents
Magnetic conducting iron core for electric machine Download PDFInfo
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- CN2877111Y CN2877111Y CN 200620100818 CN200620100818U CN2877111Y CN 2877111 Y CN2877111 Y CN 2877111Y CN 200620100818 CN200620100818 CN 200620100818 CN 200620100818 U CN200620100818 U CN 200620100818U CN 2877111 Y CN2877111 Y CN 2877111Y
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Abstract
The utility model discloses a magnetic core for motor. The magnetic core includes multiple teeth-shaped magnetic units and a circle unit and is obtained by firstly winding coils on the magnetic units, arranging the winded magnetic units into the shape fitted with the circle unit, and embedding the magnetic units in the correspondent structure of the circle unit. The coils can be winded onto the magnetic units conveniently and compactly due to the simple structure of the magnetic units and the winded coils can be shaped conveniently. The utility model adopts iron soft-magnetic composite instead of silicon steel sheet to reduce cost and simplify technical process. The utility model has the advantages of simple structure and production process, high winding efficiency, high winding density of the coils, and high energy intensity of the winded magnetic core (2 times of the silicon steel structure).
Description
[technical field]
The utility model relates to motor, relates in particular to rotor and stator.
[background technology]
The application of motor is very extensive, stator and rotor are the vitals in the motor, stator and rotor require to adopt magnetic material to make, one of them adopts one of hard magnetic material to adopt soft magnetic material, produces other parts of current drives by hard magnetic material and relative cutting movement between the soft magnetic material in coil and works.Here hard and softly be not meant hard and soft on the mechanical property, and be meant hard and soft on the magnetic performance.Magnetic refers to can keep its magnetic for a long time after magnetic material is through the externally-applied magnetic field magnetization actually, it is characterized in that the coercive force height.Coercive force is to make the tool remanent magnetization be reduced to zero magnetic field intensity through demagnetization again after the magnetization of magnetic material process.Soft magnetic material then is to add both magnetization easily of magnetic field, demagnetizes easily again, i.e. the very low magnetic material of coercive force.Demagnetization is meant after adding magnetic field and making magnetic material magnetization, adds the magnetic field that its magnetic is reduced with the opposite magnetic field of magnetizing field direction again.
Hard magnetic material is called permanent magnetic material again, is to find and use all the earliest a class magnetic material.The guide device that China invents the earliest utilizes natural permanent magnetic material magnetic iron ore to make.Present permanent magnetic material not only kind is a lot, and purposes is also very extensive.Permanent magnetic material commonly used mainly has high maximum magnetic energy product, high coercive force, high residual magnetic flux density and high magnetic characteristics such as stability, permanent magnetic material at present commonly used mainly contains rare earth permanent-magnetic material, is to be the interphase of main component with rare earth element and iron family element; The metal permanent magnetic material is to be the alloy-type permanent magnetic material of important constituent element with iron and iron family element (as nickel, cobalt etc.), mainly contain aluminium nickel cobalt (AlNiCo) and be with siderochrome cobalt (FeCrCo) be two big class permanent-magnet alloys; Ferrite permanent-magnet materials is with Fe
2O
3Composite oxides ferromagnetic material and magnetic order material for major components; Except that above-mentioned three class permanent magnetic materials, also have some manufacturings, magnetic and application that the permanent magnetic material of characteristics is respectively arranged, mould permanent magnetic material and workable permanent magnetic material etc. as micropowder permanent-magnetic material, nano permanent magnetic material, glue.
The soft magnetic material kind is many and purposes is wide, has high magnetic permeability, low coercive force, high saturation flux density and high saturation magnetization, low magnetic loss and electrical loss, high stability.It is soft magnetic material that important soft magnetic material commonly used at present mainly contains iron-silicon (Fe-Si), often claims silicon steel sheet, is that electric machine industry is extensive use of magnetic material; Iron-nickel (Fe-Ni) magnetically soft alloy is the low well behaved soft magnetic material of magnetic permeability and coercive force, has a wide range of applications; Soft magnetic ferrites, its outstanding advantage is that resistivity is high, can use in high-frequency and ultra-high frequency, in communication and multiple electronics device important use is arranged; Amorphous soft magnetic material and nano crystal soft magnetic material, it is the new soft magnetic material that grows up in 20 th century later, the characteristics of amorphous soft magnetic material are that manufacturing process is simpler, and all even good isotropism of chemical composition change wider range, magnetic is because be no grainiess; Other soft magnetic materials are selected suitable chemical composition and suitable manufacturing process, can obtain having the soft magnetic material of performances such as specific soft magnetism.For example, have iron-cobalt (Fe-Co) magnetically soft alloy of the high energy and the magnetization, have iron-aluminium (Fe-Al) magnetically soft alloy of higher electric resistivity, have magnetocrystalline anisotropy and magnetostriction and all level off to iron-silicon-aluminium (Fe-Si-Al) alloy of zero etc.
At present, the basic silicon steel sheet that adopts is made magnetic material in the electric machine industry.Earlier the multi-disc silicon steel sheet is overlapped into iron core, and then on iron core coiling, like this, silicon steel sheet superimposed cumbersome, but also the phenomenon that superimposed defective tightness often occurs, do not compress easily produces vibration during work; Because the structure of silicon steel sheet itself is complicated, the technique for coiling of coil is complicated, needs the long time of cost and more artificial; Coiling is pine, defective tightness, and inconvenient shaping after winding, the energy density on the unit volume is lower.
[summary of the invention]
The purpose of this utility model solves the problems of the prior art exactly, proposes a kind of motor conducting magnet core, and is simple in structure, and coiling is tight, the energy density height.
For achieving the above object, the utility model proposes a kind of motor conducting magnet core, comprise plurality of tooth-shaped magnetic conduction unit and circular cell, some structures that adapt with profile of tooth magnetic conduction unit are arranged on the circular cell, after on described profile of tooth magnetic conduction unit, coiling plurality of tooth-shaped magnetic conduction unit is embedded in the counter structure of circular cell.
As preferably, described profile of tooth magnetic conduction unit is an integral body.
As preferably, described profile of tooth magnetic conduction unit comprises magnetic conduction winding body and fixed head, and coil on the magnetic conduction winding body, is fixed on fixed head one end of magnetic conduction winding body again.
The beneficial effects of the utility model: the utility model discloses a kind of motor conducting magnet core, elder generation is coiling on plurality of tooth-shaped magnetic conduction unit respectively, because profile of tooth magnetic conduction cellular construction is simple, so coiling is very convenient, and winding ratio is tightr, winds to carry out shaping easily, and the plurality of tooth-shaped magnetic conduction unit cell arrangement that will wind coil again becomes the shape that adapts with circular cell, embed in the counter structure of circular cell, form conducting magnet core.If use silicon steel sheet to adopt all more complicated of the cost of structure cost of the present utility model and technical process, be material so the utility model adopts the iron powder soft magnetic composite.The utility model is simple in structure, and manufacture craft is simple, the winding efficiency height, and coiling tightness height, the energy density on the conducting magnet core unit volume that winds is higher, is about the twice of original silicon steel structure.
Feature of the present utility model and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
[description of drawings]
Fig. 1 is a kind of motor of the utility model plurality of tooth-shaped magnetic conduction unit combination structural representation together in the conducting magnet core;
Fig. 2 is the structural representation of a kind of motor of the utility model with single profile of tooth magnetic conduction unit in the conducting magnet core;
Fig. 3 is that the A-A of Fig. 2 is to cutaway view;
Fig. 4 is the structural representation of a kind of motor of the utility model with circular cell in the conducting magnet core.
[embodiment]
Be illustrated in figure 1 as a kind of motor of the utility model plurality of tooth-shaped magnetic conduction unit combination structural representation together in the conducting magnet core; Fig. 2 is the structural representation of a kind of motor of the utility model with single profile of tooth magnetic conduction unit in the conducting magnet core; Fig. 3 is that the A-A of Fig. 2 is to cutaway view; Fig. 4 is the structural representation of a kind of motor of the utility model with circular cell in the conducting magnet core.A kind of motor conducting magnet core of the utility model, comprise plurality of tooth-shaped magnetic conduction unit 1 and circular cell 2, some structures that adapt with profile of tooth magnetic conduction unit 1 are arranged on the circular cell 2, after on described profile of tooth magnetic conduction unit 1, coiling plurality of tooth-shaped magnetic conduction unit 1 is embedded in the counter structure of circular cell 2.
Described profile of tooth magnetic conduction unit 1 can be an integral body, also can adopt magnetic conduction winding body 11 and fixed head 12 structures separately, and elder generation on magnetic conduction winding body 11, is fixed on fixed head 12 end of magnetic conduction winding body 11 with coil again.The shape of the utility model profile of tooth magnetic conduction unit 1 and size do not have concrete qualification, can be any suitable shape and size, coiling on single profile of tooth magnetic conduction unit 1 earlier, because the structure of single profile of tooth magnetic conduction unit 1 is very simple, so the efficient of coiling is very high, line density is also very high, and can also carry out shaping easily after winding, and has so just improved the energy density ratio of motor widely.When profile of tooth magnetic conduction unit 1 adopts magnetic conduction winding body 11 separately and fixed head 12 structures in the present embodiment, be to open the hole that an end shape and a structure with magnetic conduction winding body 11 adapts on fixed head 12, wire-wound is fixed on an end of magnetic conduction winding body 11 with fixed head 12 after well.Because the shape of circular cell 2 is circular substantially in the present embodiment, rotor and stator also adopt circular configuration substantially, so the size at 1 two ends, profile of tooth magnetic conduction unit that adapt with circular cell 2 is different, the structure of the profile of tooth magnetic conduction unit 1 that gets up of Several combination is just compact like this, on the unit are can around on more coil, leave outlet and lambda line on the coil on the profile of tooth magnetic conduction unit 1 that Several combination is got up more, the former outlet is connected successively with the latter's lambda line in the two adjacent profile of tooth magnetic conduction unit 1, constitutes whole winding.The plurality of tooth-shaped magnetic conduction unit 1 that combines embeds in the counter structure of circular cell, just forms conducting magnet core.If use silicon steel sheet to adopt all more complicated of the cost of structure cost of the present utility model and technical process, be material so the utility model adopts the iron powder soft magnetic composite.
The foregoing description is to further specify of the present utility model, it or not concrete qualification to the utility model structure, certainly, iron powder soft magnetic composite material is an essential condition that realizes the utility model structure, but neither be to restriction of the present utility model, the utility model just original relatively silicon steel sheet will change material, because original silicon steel sheet is difficult to realize structure of the present utility model.Any technical scheme that does not exceed the utility model connotation all belongs to protection range of the present utility model.
Claims (3)
1. motor conducting magnet core, it is characterized in that: comprise plurality of tooth-shaped magnetic conduction unit (1) and circular cell (2), some structures that adapt with profile of tooth magnetic conduction unit (1) are arranged on the circular cell (2), after on described profile of tooth magnetic conduction unit (1), coiling plurality of tooth-shaped magnetic conduction unit (1) is embedded in the counter structure of circular cell (2).
2. a kind of motor conducting magnet core as claimed in claim 1 is characterized in that: described profile of tooth magnetic conduction unit (1) is an integral body.
3. a kind of motor conducting magnet core as claimed in claim 1, it is characterized in that: described profile of tooth magnetic conduction unit (1) comprises magnetic conduction winding body (11) and fixed head (12), coil on magnetic conduction winding body (11), is fixed on fixed head (12) end of magnetic conduction winding body (11) again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620100818 CN2877111Y (en) | 2006-01-26 | 2006-01-26 | Magnetic conducting iron core for electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620100818 CN2877111Y (en) | 2006-01-26 | 2006-01-26 | Magnetic conducting iron core for electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2877111Y true CN2877111Y (en) | 2007-03-07 |
Family
ID=37820347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620100818 Expired - Fee Related CN2877111Y (en) | 2006-01-26 | 2006-01-26 | Magnetic conducting iron core for electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2877111Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015070551A1 (en) * | 2013-11-12 | 2015-05-21 | 中山大洋电机股份有限公司 | Permanent magnet motor structure reducing torque pulsation of surface mounted permanent rotor |
-
2006
- 2006-01-26 CN CN 200620100818 patent/CN2877111Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015070551A1 (en) * | 2013-11-12 | 2015-05-21 | 中山大洋电机股份有限公司 | Permanent magnet motor structure reducing torque pulsation of surface mounted permanent rotor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |