CN200980003Y - Multi-pole inner rotor type permanent magnetic generator stator - Google Patents
Multi-pole inner rotor type permanent magnetic generator stator Download PDFInfo
- Publication number
- CN200980003Y CN200980003Y CN 200620165374 CN200620165374U CN200980003Y CN 200980003 Y CN200980003 Y CN 200980003Y CN 200620165374 CN200620165374 CN 200620165374 CN 200620165374 U CN200620165374 U CN 200620165374U CN 200980003 Y CN200980003 Y CN 200980003Y
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- stator
- permanent magnet
- generator
- rotor permanent
- rotor
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Abstract
The utility model relates to a stator of a multipolar inner-rotor type permanent-magnetic generator, in particular for a miniaturized, light weight and thin type generator in a generator sphere, primarily uses a stator body which is superimposed by a stator punching sheet via a stator self-locking groove, wherein the inner side relative to a rotor of the stator body is equipped with a plurality of stator slots with the permanent magnet number which is collected by the rotor and inserted with a plurality of stator winding inside, characterized in that the direction parallel to the rotary axis of the stator body is equipped with a plurality of bolt holes, and one end face of the stator body is fixed on a stator base of the motor assembly via the stator bolt holes. The utility model has no shell and a simple and compact structure, and realizes the miniaturization, light weight and thin type of the generator and high output efficiency and power, and also easily produces the generator with higher power and better stability, durability and reliability.
Description
Technical field
The utility model relates to a kind of stator of multipole internal rotor permanent magnet generator, specifically is applicable to the generator of miniaturization, lightweight, slimming, belongs to technical field of generators.
Background technology
The utility model openly before, in known technology, the stator of permanent magnet formula generator also once had open, as application number be the disclosed a kind of motor generator of PCT/US2004/015485 comprise have a plurality of permanent magnet elements rotor, these permanent magnets are arranged on the circular ring structure around the shaft, magnetic element replaces continuously along interior ring surface magnetic polarity, also comprise the stator that separates by radial air gap and rotor, this stator comprises a plurality of magnetive cord sections, this core packet has the coil separately that twines on it to form stator winding, each stator segment is spaced from each other and not directly contact and radially air gap setting, each stator segment comprises that a plurality of edges are parallel to the utmost point that rotor shaft direction is alignd mutually, therefore stator comprises a plurality of stator poles of radially arranging, the setting that is separated from each other vertically of these stator pole groups.And for example: the stator of disclosed a kind of alternating current generator among the JP2001-281347, stator winding has 3 grades of package lead formation sub-winding on each comfortable per 3 grooving, and the grooving incorporating section of lead is configured as the cross section rectangle, winding overhang forms circular cross-section, can obtain by waiting sub-winding to constitute stator winding, can restrain damage that the insulation film of lead takes place, reducing the mutual short circuit accident of lead.
Above-mentioned disclosed stator structure of generator, parts are many, complex structure or need casing to install, and this structure is difficult to accomplish miniaturization, lightweight and slimming.And such structure can not be made more high-power, only uses in low power range.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby provide a kind of stator of multipole internal rotor permanent magnet generator, its stator body is in the face of the wire casing of the permanent magnet number that is furnished with 3: 2 rotors on the medial surface of rotor and takes in, and has a plurality of coils to inlay wherein; The said stator punching is provided with a plurality of bolts hole that are parallel to the axis of rotation direction, directly is fixed on the stator seat of engine assembly by the end face of bolt hole with described stator; Without casing, simple in structure, compact, realize slimming, lightweight and the miniaturization of generator, and realized high delivery efficiency and high power output.
Main solution of the present utility model is achieved in that
The utility model adopt stator punching by stator from the catching groove stack and stator body, stator body is in the face of the stator slot of the permanent magnet number that is furnished with 3: 2 rotors on the medial surface of rotor and takes in, and has a plurality of stator winding to inlay wherein; To be stator body be provided with several stator bolts hole being parallel to the shaft center line direction to feature, is directly fixed on the stator seat of engine assembly by the end face of said stator bolt hole with stator body.
The utility model stator bolt hole is at least more than 3, and comprises 3.
Stator winding in the utility model stator slot turns to the Y type of three-phase four-wire system or the △ type of three-phase three-wire system.
The utility model stator body is 3n of 3 integral multiple in the face of the stator slot number that is furnished with on the medial surface of rotor, and the rotor permanent magnet number of poles that is cooperated is even number 2n.
The utility model stator seat is provided with the stator seat positioning port that matches with generator stand.
Stator slot on the utility model stator body medial surface is provided with along stator body medial surface direction of axis line, and and axis parallel.
The utility model stator body outer ring is provided with at least 2 several grooves and at least 3 several positioning boss along the shaft center line direction.
Compared with the prior art the utility model has the following advantages:
The utility model since stator body be provided with and comprise a plurality of bolts hole of 3 at least being parallel to the shaft center line direction, be directly fixed on the generator pit of engine by the end face of above-mentioned bolt hole with bolt described stator, without casing, simplified structure farthest, realize slimming, lightweight and the miniaturization of generator, and can realize high delivery efficiency and high power output; Because the stator coil that is embedded in the wire casing adopts the wye connection of three-phase four-wire system, or adopts the △ type connection of three-phase three-wire system, its application flexibility is big, can adapt to the different capacity output requirement of generator; Because stator body is 3n in the face of the stator slot number that is furnished with on the medial surface of rotor, the rotor magnetic pole number that is cooperated is 2n, and n is a natural number, and such configuration can make generator improve generating efficiency, reasonably uses permanent magnet material, saves cost; Owing on stator body, be provided with the stator seat positioning port that matches with generator stand, can make field frame assembly be easy to install like this; Since a plurality of wire casings on the stator body medial surface along the setting of stator medial surface direction of axis line and and axis parallel, can make field frame assembly cooperate raising generating efficiency afterwards with rotor assembly; Owing to be provided with 2 grooves at least along the pivot direction in the stator body outer ring, energy weight reduction and the double louvre of doing, and increase area of dissipation, for field frame assembly provides rational cooling, realized slimming, lightweight and the miniaturization of generator, be easy to make generator more high-power and good stability, durability and reliability are arranged.
Description of drawings
Fig. 1 is used for generating set user mode schematic diagram for the utility model field frame assembly.
Fig. 2 is the utility model field frame assembly, rotor assembly assembling schematic diagram.
Fig. 3 is a field frame assembly A-A cutaway view of the present utility model.
Fig. 4 is stator punching figure of the present utility model.
Fig. 5 is a stator winding winding diagram of the present utility model.
Embodiment
Embodiment during following the utility model is incited somebody to action in conjunction with the accompanying drawings is further described:
Present embodiment is mainly by engine assembly 1, stator seat 2, rotator seat 3, rotor assembly 4, bolt 5, field frame assembly 6, bolt 7, stator seat positioning port 8, rotator seat positioning port 9, stator setting circle 10, stator bolt hole 11, stator winding 12, rotor bolt hole 13, inserted sheet 15, permanent magnet 16, stator body 17, stator body pivot 18, stator inner hole 19, stator punching 20, stator is from catching groove 21, stator slot 22, stator boss 23, stator groove 24, setting circle 25 compositions such as grade in the rotor.
As shown in Figure 1 and Figure 2: the utility model field frame assembly 6 is formed a generator with the rotor assembly 4 that comprises permanent magnet 16, and an above-mentioned generator and an engine assembly 1 are formed a generating set.The stator body 17 that the utility model field frame assembly 6 is formed by stacking from catching groove 21 by stator by stator punching 20, stator winding 12 and inserted sheet 15 etc. are formed.The stator body 17 of field frame assembly 6 cooperates with stator seat positioning port 8 by stator setting circle 10, and is fixed on the stator seat 2 that is installed in engine assembly 1 by stator bolt hole 11 with a plurality of bolts 7.Stator inner hole 19 and the 18 concentric installations of stator pivot, rotor assembly 4 is provided with rotor ventilation hole 14 and cooperates with rotator seat positioning port 9 by setting circle 25 in the rotor, and be fixed by rotor bolt hole 13 with a plurality of bolts 5 and be installed on the rotator seat 3 on the engine assembly 1, rotator seat 3 is fixed on the flywheel of engine or rotates synchronously with bent axle that flywheel is made one and engine, and the rotor pivot is overlapped with the center of the bent axle of engine, leave certain clearance between stator inner hole 19 and the rotor cylindrical, for field frame assembly 6 and rotor assembly 4 gap that causes of expanding, back that is heated reduces to allow some leeway, the damage that stator inner hole 19 causes in case the sub-assembly 4 of spline rubs when rotate with engine crankshaft.
As shown in Figure 3, Figure 4: the utility model adopts and to be provided with stator bolt hole 11, stator from catching groove 21 and the stator inner hole 19 parallel with stator body pivot 18 on the stator punching 20 of stator body 17, stator bolt hole 11 is arranged on more than 3 at least, and comprises 3; Stator body 17 is formed by stacking from catching groove 21 by stator with one heart by stator punching 20, and some groups of stator winding 12 are embedded in the stator slot 22, adopts inserted sheet 15 sealings.As shown in Figure 5: stator slot 22 numbers that are furnished with on the medial surface to rotor above the stator punching 20 of stator body 17 are 3 integral multiple: 123 ... 3 (n-2)-1 3 (n-2), 3 (n-1)-2 3 (n-1)-1 3 (n-1) 3n-2 3n-1 3n, rotor permanent magnet 16 numbers of poles that cooperated are even number 2n, and n is a natural number.Stator slot 22 on the stator punching 20 of stator body 17 on the medial surface is provided with along stator body 17 medial surface direction of axis line, and and axis parallel.Stator punching 20 outer rings of stator body 17 are provided with 2 several grooves 24 and at least 3 several positioning boss 23 at least along the shaft center line direction.
As shown in Figure 5: the stator winding 12 in the utility model stator slot 22 turns to the Y type of three-phase four-wire system or the △ type of three-phase three-wire system.Stator main winding 12 coils of present embodiment adopt Y type three-phase four-wire system connection (U V W N), also have two groups of auxiliary winding (H1 H2 simultaneously, R1 R2), 2 limit midfeather 2 grooves that are parallel to stator body pivot 18 of every group of coil of main winding are embedded in the stator slot 22, can make every group of coil of main winding have essentially identical length like this, save the use amount of the enamelled wire of coiling, reduce manufacturing cost.
Claims (7)
1, a kind of stator of multipole internal rotor permanent magnet generator, adopt stator punching (20) to be formed by stacking stator body (17) from catching groove (21) by stator, stator body (17) is furnished with stator slot (22) in the face of on the medial surface of rotor block, and has a plurality of stator winding (12) to inlay wherein; It is characterized in that stator body (17) is provided with several stator bolts hole (11) being parallel to the shaft center line direction,, an end face of stator body (17) is directly fixed on the stator seat (2) of engine assembly (1) by stator bolt hole (11).
2, the stator of a kind of multipole internal rotor permanent magnet generator according to claim 1 is characterized in that described stator bolt hole (11) is provided with more than 3 at least, and comprises 3.
3, the stator of a kind of multipole internal rotor permanent magnet generator according to claim 1 is characterized in that the stator winding (12) in the described stator slot (22) turns to the Y type of three-phase four-wire system or the △ type of three-phase three-wire system.
4, the stator of a kind of multipole internal rotor permanent magnet generator according to claim 1, it is characterized in that described stator body (17) is 3 integral multiple 3n in the face of stator slot (22) number that is furnished with on the medial surface of rotor, the rotor permanent magnet that is cooperated (16) number of poles is even number 2n.
5, the stator of a kind of multipole internal rotor permanent magnet generator according to claim 1 is characterized in that described stator seat (2) is provided with the stator seat positioning port (8) that matches with generator stand.
6, according to the stator of claim 1 or 4 described a kind of multipole internal rotor permanent magnet generators, it is characterized in that the stator slot (22) on described stator body (17) medial surface is provided with along stator body medial surface direction of axis line, and and axis parallel.
7,, it is characterized in that described stator body (17) outer ring is provided with 2 several grooves (24) and at least 3 several positioning boss (23) at least along the shaft center line direction according to the stator of claim 1 or 4 described a kind of multipole internal rotor permanent magnet generators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620165374 CN200980003Y (en) | 2006-12-07 | 2006-12-07 | Multi-pole inner rotor type permanent magnetic generator stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620165374 CN200980003Y (en) | 2006-12-07 | 2006-12-07 | Multi-pole inner rotor type permanent magnetic generator stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200980003Y true CN200980003Y (en) | 2007-11-21 |
Family
ID=38980386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620165374 Expired - Fee Related CN200980003Y (en) | 2006-12-07 | 2006-12-07 | Multi-pole inner rotor type permanent magnetic generator stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200980003Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100452616C (en) * | 2006-12-07 | 2009-01-14 | 无锡开普动力有限公司 | Stator of multipole internal rotor permanent magnet generator |
| CN101588094B (en) * | 2008-05-19 | 2012-11-21 | 乐金电子(天津)电器有限公司 | Stator laminating structure of motor |
-
2006
- 2006-12-07 CN CN 200620165374 patent/CN200980003Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100452616C (en) * | 2006-12-07 | 2009-01-14 | 无锡开普动力有限公司 | Stator of multipole internal rotor permanent magnet generator |
| CN101588094B (en) * | 2008-05-19 | 2012-11-21 | 乐金电子(天津)电器有限公司 | Stator laminating structure of motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071121 Termination date: 20100107 |