CN200980034Y - Multi-pole inner rotor type permanent magnetic generator - Google Patents
Multi-pole inner rotor type permanent magnetic generator Download PDFInfo
- Publication number
- CN200980034Y CN200980034Y CN 200620165375 CN200620165375U CN200980034Y CN 200980034 Y CN200980034 Y CN 200980034Y CN 200620165375 CN200620165375 CN 200620165375 CN 200620165375 U CN200620165375 U CN 200620165375U CN 200980034 Y CN200980034 Y CN 200980034Y
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- Prior art keywords
- rotor
- permanent magnet
- stator
- assembly
- generator
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- Expired - Fee Related
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Abstract
The utility model relates to a multi-polar inner-rotor-type magneto generator, in particular to a miniaturized and lightened generating set with high power in a generator technical field, primarily using a stator assembly with a plurality of stator winding sets which is fixed on a stator base of a motor assembly, while a rotor body outer ring of a rotor assembly is inserted with a plurality of relative-pole permanent magnet inside and fixed on a rotary body of the motor assembly, and a stator inner hole of the stator assembly has the same center with the rotation center of rotor body in the rotor assembly. The utility model can prevent a rare earth permanent magnet to loose as rotating and makes sure an outer magnetic choke of the rare earth permanent magnet having enough intensity, and uses a bearing-less structure without shell to realize making the slighted, lightened and miniaturized generator with high output efficiency and high output power, and also can improve radiating power of the generator and reduce weight of the generator thereby extending reliability and service life of the generator.
Description
Technical field
The utility model relates to a kind of multipole internal rotor permanent magnet generator, specifically be specially adapted to miniaturization, light-weighted in powerful generating set, belong to technical field of generators.
Background technology
At present, in prior art, permanent magnet generator mainly is made up of field frame assembly and rotor assembly etc.Usually adopt rare-earth permanent magnet to be applied to perhaps be used for low power starting/electricity generating dual purpose motor in motor or the low power generator, and rare-earth permanent magnet when being applied to generator greatly all with external-rotor-type.As the patent No. is the disclosed a kind of permanent magnet rotary electric machine that can be fixed on permanent magnet the outer rotor magnet patchhole simply, reliably and securely of CN01112432.6; And when permanent magnet is used for inner rotor motor, generally adopt at the rotor surface sintered permanent, be that: CN02803440.6 is disclosed as application number; Also useful bolt or permanent magnet is fixed on rotor surface with dovetail groove is that CN200420083544.0 is disclosed as the patent No..Above-mentioned external rotor type permanent magnetism motor is high-power in can not making, and can only use at low power range, and above-mentioned internal rotor permanent magnet motor uses bearing, can not make motor miniaturization, lightweight, slimming, and manufacturing cost can not effectively reduce.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby a kind of multipole internal rotor permanent magnet generator is provided, and it adopts field frame assembly to be inlaid with many group coils, directly is fixed on the engine assembly stator seat, does not adopt casing; Rotor assembly is inlaid with the some to the level permanent magnet of at least two pairs of levels in the border, and directly be fixed on the rotary body of engine, can avoid rare-earth permanent magnet to come off when rotated, adopt no bearing arrangement, realize slimming, lightweight and the miniaturization of generator, and can realize high delivery efficiency and high power output.
Main solution of the present utility model is achieved in that
The utility model is formed permanent magnet generator by field frame assembly and rotor assembly, feature is that the field frame assembly that is provided with some groups of coils directly is fixed on the engine assembly stator seat, ring the week is inlaid with above some of at least two pairs of levels and the level permanent magnet directly is fixed on the rotary body of engine assembly in the rotor block outer ring of rotor assembly, the stator body endoporus of field frame assembly is concentric with the rotor block pivot of rotor assembly, leaves the gap between the stator body endoporus of field frame assembly and the rotor block cylindrical of rotor assembly.
On the rotor block of the utility model rotor assembly in the outer ring ring be provided with the permanent magnet accommodating groove week, be inlaid with in the permanent magnet accommodating groove and some level permanent magnet and its outer ring be provided with certain distance, permanent magnet is a Nd-Fe-B permanent magnet.
The rotor block of rotor assembly of the present utility model is provided with rotor ventilation hole, rotor location hole.
The inboard border of the stator body of the utility model field frame assembly is provided with the stator slot that is parallel to engine rotation body center.
Coil winding in the utility model stator body stator slot becomes the Y type shape of three-phase four-wire system or the △ shape of three-phase three-wire system.
The rotary body of the utility model engine can adopt flywheel or bent axle or rotator seat.
Compared with the prior art the utility model has the following advantages:
1, the utility model is owing to be inlaid with a plurality of rare-earth permanent magnets and there is certain distance its outer ring in rotor assembly rotor block ring week, can guarantee that magnet yoke on outside of rare earth permanent magnets has enough intensity, rare-earth permanent magnet is unlikely when rotor rotates comes off, take place with accident prevention, the reliability of generator effectively improves, and needn't be the reliability concerns of generator; 2, owing to the flywheel of field frame assembly instead of part and even whole engines, alleviate the weight of unit, make the whole lightweight of generating set, and can reduce manufacturing cost; 3, owing to have through hole on the rotor assembly, can improve the heat dispersion of generator and alleviate the weight of generator, increasing the reliability and the life-span of generator, and prevent permanent magnet when high temperature, demagnetize phenomenon generation and can make bigger electrical power and export; 4, because the rotary body of engine can adopt flywheel or bent axle, also can adopt rotator seat, can be applicable to the generating set of different capacity, and match, be widely used with multiple engine; 5, compact conformation, simple, slimming to greatest extent, miniaturization and lightweight, and provide rational cooling can do powerful output; 6, purposes is wide, not only is confined in the generating set of single-phase output, also can be used for exporting powerful electric power in the generating set of three-phase output;
Description of drawings
Fig. 1 is a generating set assembling schematic diagram of the present utility model.
Fig. 2 is stator of the present utility model, rotor assembly structural representation.
Fig. 3 is an A-A cutaway view of the present utility model.
Fig. 4 is stator punching figure of the present utility model.
Fig. 5 is rotor punching figure of the present utility model.
Fig. 6 is the permanent magnet S utmost point in the utility model rotor assembly, N utmost point distribution schematic diagram.
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, rotor ventilation hole 14, permanent magnet 15, the first permanent magnet plate washer 16, plate washer set bolt 17, rivet 18, rotor pivot 19, setting circle 20 in the rotor, gap 21, rotor punching 22, the second permanent magnet plate washer 23, stator punching 24, stator is from catching groove 25, stator slot 26, stator body endoporus 27, rotor block cylindrical 28, plate washer bolt hole 29, rivet hole 30, resistance magnetic groove 31, permanent magnet accommodating groove 32, compositions such as inserted sheet 33 and engine rotation body 34.
As Fig. 1, Fig. 2, shown in Figure 3: present embodiment is that the utility model and engine assembly 1 are formed a generating set.Multipole internal rotor permanent magnet generator of the present utility model is made up of field frame assembly 6 and rotor assembly 4.Wherein ring is inlaid with that at least two pairs of levels (containing two pairs of levels) are above somely to be cooperated with rotator seat positioning port 9 by setting circle in the rotor 20 and with a plurality of bolts 5 it directly is fixedly mounted on the rotator seat 3 of the engine rotation body 34 on the engine assembly 1 (rotary body 34 of engine can adopt flywheel or bent axle or rotator seat) level permanent magnet 15 week in the rotor assembly 4 rotor block outer rings.Rotator seat 3 is fixed on the flywheel of engine or rotates synchronously with bent axle that flywheel is made one and engine, and rotor pivot 19 is overlapped with the center of the bent axle of engine.The field frame assembly 6 that is provided with some groups of stator winding 12 cooperates with stator seat positioning port 8 by stator setting circle 10 and is fixed with a plurality of bolts 7 and is installed on the engine assembly 1 on the stator seat 2, and stator seat positioning port 8 is arranged on the stator seat 2.Stator inner hole 27 and the 19 concentric installations of rotor block pivot, leave certain clearance 21 between stator body endoporus 27 and the rotor block cylindrical 28, 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 27 causes in case the sub-assembly 4 of spline rubs when rotate with engine crankshaft.
Shown in Figure 4: the stator body of the utility model field frame assembly 6 is formed by stacking from catching groove 25 by stator with one heart by stator punching 24, on stator body stator punching 24, be provided with stator bolt hole 11 and border inboard and be parallel to engine rotation body center 19, and be provided with stator slot 26 and stator setting circle 10 in the face of stator inner hole 27 upper sheds of rotor block with it; Some groups of stator winding 12 are embedded in the stator slot 26, and adopt inserted sheet 33 sealings.Stator winding 12 in the stator slot 26 turns to the Y type of three-phase four-wire system or the △ type of three-phase three-wire system respectively.
Every group of stator winding 12 is for to be embedded in the stator slot 26 every two grooves in the stator slot 26 of the utility model field frame assembly 6, and the use amount that can make every group of stator winding 12 have identical length and save the enamelled wire of coiling reduces manufacturing cost like this.
Shown in Figure 5: the rotor block of the utility model rotor assembly 4 adopts the rotor punching 22 usefulness rivets 18 that along the circumferential direction are provided with several permanent magnet accommodating grooves 32 in the outer ring ring week to form by rivet hole 30 concentric riveted joints.On the rotor punching 22 of rotor block, be provided with rotor bolt hole 13, rotor ventilation hole 14, rotor location hole 20.Ring is provided with permanent magnet accommodating groove 32 week and takes in permanent magnet 15 in the rotor block outer ring.Permanent magnet accommodating groove 32 is parallel with rotor block pivot 19, and radially vertical with rotor block.Adopt plate washer set bolt 17 the first permanent magnet plate washer 16 and the second permanent magnet plate washer 23 to be arranged by what plate washer bolt hole 29 was fixed on permanent magnet 15 two ends.The first and second permanent magnet plate washers 16,23 mainly are to prevent that permanent magnet from flying out when rotated and having an accident, and also have separated magnetic effect in addition concurrently.Rotor cylindrical 28 is provided with resistance magnetic groove 31, intercepts the magnetic circuit bypass of 15 of permanent magnets, improves the efficient of generator.
As shown in Figure 6: rotor assembly 4 rotor block outer rings rings is provided with permanent magnet accommodating groove 32 week, inlays in the permanent magnet accommodating groove 32 some level even number permanent magnet 15 and its outer ring to be provided with certain distance.The polarity S utmost point of permanent magnet 15 and the N utmost point are alternately arranged along rotor block cylindrical 28.Permanent magnet 15 shapes are made cuboid, and permanent magnet 15 is a Nd-Fe-B permanent magnet.
Claims (7)
1, a kind of multipole internal rotor permanent magnet generator, comprise field frame assembly (6) and rotor assembly (4), the field frame assembly (6) that it is characterized in that being provided with some groups of stator winding (12) is fixed on the stator seat (2) of engine assembly (1), ring the week is inlayed on above some of two pairs of levels are fixed on engine to level permanent magnet (15) the rotary body (34) at least in the rotor block outer ring of rotor assembly (4), the stator inner hole (27) of field frame assembly (6) is concentric with the rotor block pivot (19) of rotor assembly (4), leaves gap (21) between the stator body endoporus (27) of field frame assembly (6) and the rotor block cylindrical (28) of rotor assembly (4).
2, a kind of multipole internal rotor permanent magnet generator according to claim 1 is characterized in that in described rotor assembly (4) the rotor block outer ring that ring is provided with to inlay in the permanent magnet accommodating groove (32) in week some level permanent magnet (15) and its outer ring to be provided with distance.
3, a kind of multipole internal rotor permanent magnet generator according to claim 1 and 2 is characterized in that described permanent magnet (15) is a Nd-Fe-B permanent magnet, and permanent magnet (15) shape is made cuboid.
4, a kind of multipole internal rotor permanent magnet generator according to claim 1 is characterized in that described rotor assembly (4) rotor block is provided with rotor ventilation hole (14), rotor setting circle (20).
5, a kind of multipole internal rotor permanent magnet generator according to claim 1 is characterized in that the inboard border of described field frame assembly (6) stator body is provided with the stator slot (26) that is parallel to rotor block pivot (19).
6, a kind of multipole internal rotor permanent magnet generator according to claim 5 is characterized in that the stator winding (12) in the described stator slot (26) turns to the Y type of three-phase four-wire system or the △ type of three-phase three-wire system respectively.
7, a kind of multipole internal rotor permanent magnet generator according to claim 1 is characterized in that the rotary body (34) of described engine adopts rotator seat or flywheel or bent axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620165375 CN200980034Y (en) | 2006-12-07 | 2006-12-07 | Multi-pole inner rotor type permanent magnetic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620165375 CN200980034Y (en) | 2006-12-07 | 2006-12-07 | Multi-pole inner rotor type permanent magnetic generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200980034Y true CN200980034Y (en) | 2007-11-21 |
Family
ID=38980417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620165375 Expired - Fee Related CN200980034Y (en) | 2006-12-07 | 2006-12-07 | Multi-pole inner rotor type permanent magnetic generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200980034Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806244A (en) * | 2010-04-08 | 2010-08-18 | 陈维加 | New multipolar internal combustion generating set |
-
2006
- 2006-12-07 CN CN 200620165375 patent/CN200980034Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806244A (en) * | 2010-04-08 | 2010-08-18 | 陈维加 | New multipolar internal combustion generating set |
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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: 20101207 |