CN207304339U - A kind of magneto alternator of good heat dissipation - Google Patents
A kind of magneto alternator of good heat dissipation Download PDFInfo
- Publication number
- CN207304339U CN207304339U CN201721172935.3U CN201721172935U CN207304339U CN 207304339 U CN207304339 U CN 207304339U CN 201721172935 U CN201721172935 U CN 201721172935U CN 207304339 U CN207304339 U CN 207304339U
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- China
- Prior art keywords
- rotor
- radiating fin
- heat dissipation
- permanent magnet
- good heat
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- Motor Or Generator Cooling System (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
It the utility model is related to a kind of magneto alternator of good heat dissipation, including stator, winding, rotor, shaft, the permanent magnet of radiator fan and at least two sectional type, the stator is the hollow structure of both ends open, the rotor is arranged in the hollow structure of stator, the shaft axially penetrates through the rotor along rotor, the end of the shaft is rotatablely connected with radiator fan, two end faces of the rotor are equipped with least two rotor slot, at least two radiating fin is correspondingly provided with least two rotor slot, at least two radiating fin is correspondingly arranged around the circumferentially disposed of rotor and with the flabellum in the radiator fan, the shape of the radiating fin is convex shape, the raised end face of the radiating fin of convex shape is set for corrugated curved surface and towards the direction away from rotor.The magneto alternator of the good heat dissipation of the utility model has the advantages that to effectively improve heat dissipation effect.
Description
Technical field
Generator techniques are the utility model is related to, more particularly to a kind of magneto alternator of good heat dissipation.
Background technology
Permanent magnet generator refers to the power generator that electric energy is converted into by the mechanical energy of thermal energy.Permanent magnet generator and excitation
The maximum of generator difference lies in its excitation field is produced by permanent magnet.Permanent magnet be both in motor magnetic source and
The part of magnetic circuit.The magnetic property of permanent magnet is not only related with the manufacturing process of factory, also the shape and ruler with permanent magnet
Very little, magnet charger capacity is related with magnetization method, and the discreteness of specific performance data is very big.And permanent magnet institute's energy in motor
The magnetic flux and magnetomotive force of offer also change with the material property of magnetic circuit remainder, size and motor operating state.In addition,
The magnetic structure of permanent magnet generator is varied, the large percentage that leakage magnetic circuit is sufficiently complex and leakage magnetic flux accounts for, ferromagnetic material portion
Divide and be easier saturation again, magnetic conductance is nonlinear.Each of which increases the complexity that permanent magnet generator electromagnetism calculates, make calculating
As a result accuracy is less than electric excitation generator.Therefore, it is necessary to establish new design concept, magnetic structure is reanalysed and improved
And control system；Modern Design must be applied, studies new analysis calculation method, to improve design-calculated accuracy；
It must study using advanced test method and manufacturing process.
There are the imperfect problem of heat dissipation effect for magneto alternator of the prior art.
Utility model content
Technical problem to be solved in the utility model is：A kind of magneto alternator of good heat dissipation is provided, can be effective
Improve heat dissipation effect.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of magneto alternator of good heat dissipation, including stator, winding, rotor, shaft, radiator fan and at least two
Sectional type permanent magnet, the stator is the hollow structure of both ends open, and the inner peripheral surface of the stator is equipped with groove, it is described around
It is mounted in the groove, the rotor is arranged in the hollow structure of stator, and the shaft axially penetrates through described turn along rotor
Son, the outer circumferential surface of the rotor are equipped with least two holding tank of bar shaped, the axial direction of at least two holding tank along rotor
Extension and the circumferentially-spaced distribution for surrounding rotor, at least two permanent magnet is corresponded to according to the extremely alternate mode of S poles, N respectively to be set
It is placed at least two holding tank, end and the radiator fan of the shaft are rotatablely connected, on two end faces of the rotor
Equipped with least two rotor slot, at least two radiating fin is correspondingly provided with least two rotor slot, at least two
A radiating fin is around the circumferentially disposed of rotor and is correspondingly arranged with the flabellum in the radiator fan, the radiating fin
The shape of piece is convex shape, and the raised end face of the radiating fin of convex shape sets for corrugated curved surface and towards the direction away from rotor
Put, at least two radiating fin is spaced, the ratio of the quantity of the radiating fin and the quantity of the permanent magnet
For 1-3:1.
Further, the ratio of the quantity of the radiating fin and the quantity of the permanent magnet is 1:1.
Further, the ratio of the quantity of the radiating fin and the quantity of the permanent magnet is 3:1.
Further, at least two radiating fin is arranged in parallel.
Further, the number of the permanent magnet is 4-8.
Further, body, the stator, winding, rotor, shaft, radiator fan and at least two piecemeal are further included
The permanent magnet of formula is respectively arranged in the body.
The beneficial effects of the utility model are：
Design the radiating fin of above-mentioned convex shape and its corrugated end face, radiating fin around the circumferentially disposed of rotor and
It is correspondingly arranged with the flabellum in the radiator fan, and the quantity of radiating fin and the ratio of the quantity of the permanent magnet are 1-3:
1, by the cooperation of radiating fin and radiator fan on above-mentioned rotor, and take into full account the influence of the quantity of permanent magnet, when turn
When axis drives rotor rotation, effectively the heat that generator operation produces can be taken out of, and then improve magneto alternator
Heat dissipation effect.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the magneto alternator of the good heat dissipation of the utility model embodiment；
Fig. 2 be the utility model embodiment good heat dissipation magneto alternator in rotor transverse cross-sectional view.
Label declaration：
1st, stator；2nd, winding；3rd, rotor；31st, rotor slot；4th, shaft；5th, radiator fan；
6th, permanent magnet；7th, radiating fin；8th, body.
Embodiment
To describe the technology contents of the utility model, the objects and the effects in detail, below in conjunction with embodiment and match somebody with somebody
Attached drawing is closed to be explained.
The design of the utility model most critical is：Pass through the radiating fin for designing above-mentioned convex shape and its corrugated end
Face, design of the quantity with the ratio of the quantity of the permanent magnet of radiating fin and radiating fin and radiation air on rotor
The cooperation of the flabellum of fan, and then improve heat dissipation effect.
It refer to Fig. 1 and Fig. 2, a kind of magneto alternator of good heat dissipation, including stator 1, winding 2, rotor 3, turn
Axis 4, radiator fan 5 and at least two sectional type permanent magnet 6, the stator 1 be both ends open hollow structure, it is described fixed
The inner peripheral surface of son 1 is equipped with groove, and the winding 2 is arranged in the groove, and the rotor 3 is arranged in the hollow structure of stator 1, institute
The axially penetrate through rotor 3 of the shaft 4 along rotor 3 is stated, the outer circumferential surface of the rotor 3 is equipped with least two receiving of bar shaped
Groove, at least two holding tank is along the axially extending of rotor 3 and around the circumferentially-spaced distribution of rotor 3, at least two permanent magnetism
Body 6 is correspondingly arranged at least two holding tank according to the extremely alternate mode of S poles, N respectively, and the end of the shaft 4 is with dissipating
Hot-air fan 5 is rotatablely connected, and two end faces of the rotor 3 are equipped with least two rotor slot 31, described turn of at least two
At least two radiating fin 7 is correspondingly provided with pilot trench 31, at least two radiating fin 7 is set around the circumferential direction of rotor 3
Put and be correspondingly arranged with the flabellum in the radiator fan 5, the shape of the radiating fin 7 is convex shape, the heat dissipation of convex shape
The raised end face of fin 7 is set for corrugated curved surface and towards the direction away from rotor, at least two 7 phase of the radiating fin
Mutually interval, the quantity of the radiating fin 7 and the ratio of the quantity of the permanent magnet are 1-3:1.
As can be seen from the above description, the beneficial effects of the utility model are：
Design the radiating fin of above-mentioned convex shape and its corrugated end face, radiating fin around the circumferentially disposed of rotor and
It is correspondingly arranged with the flabellum in the radiator fan, and the quantity of radiating fin and the ratio of the quantity of the permanent magnet are 1-3:
1, by the cooperation of radiating fin and radiator fan on above-mentioned rotor, and take into full account the influence of the quantity of permanent magnet, when turn
When axis drives rotor rotation, effectively the heat that generator operation produces can be taken out of, and then improve magneto alternator
Heat dissipation effect.
Further, the ratio of the quantity of the radiating fin 7 and the quantity of the permanent magnet 6 is 1:1.
Further, the ratio of the quantity of the radiating fin 7 and the quantity of the permanent magnet 6 is 3:1.
Seen from the above description, the ratio of the quantity of above-mentioned radiating fin and the quantity of the permanent magnet, can be into one
Step obtains preferable heat dissipation effect.
Further, at least two radiating fin 7 is arranged in parallel.
Seen from the above description, it is preferred that multiple radiating fins can be arranged in parallel.
Further, the number of the permanent magnet 6 is 4-8.
Further, body 8, the stator 1, winding 2, rotor 3, shaft 4, radiator fan 5 and at least two are further included
The permanent magnet 6 of sectional type be respectively arranged in the body 8.
Fig. 1-2 is refer to, the embodiment one of the utility model is：
The magneto alternator of the good heat dissipation of the present embodiment, including stator 1, winding 2, rotor 3, shaft 4, radiator fan
5 and at least two sectional type permanent magnet 6, the stator 1 be both ends open hollow structure, the inner peripheral surface of the stator 1
Equipped with groove, the winding 2 be arranged on the groove in, the rotor 3 be arranged on stator 1 hollow structure in, the shaft 4 along turn
Son 3 axially penetrates through the rotor 3, and the outer circumferential surface of the rotor 3 is equipped with least two holding tank of bar shaped, and at least two
Holding tank along the axially extending of rotor 3 and around rotor 3 circumferentially-spaced distribution, at least two permanent magnet 6 is respectively according to S
The extremely alternate mode of pole, N is correspondingly arranged at least two holding tank, and the end of the shaft 4 is rotated with radiator fan 5 to be connected
Connect, two end faces of the rotor 3 are equipped with least two rotor slot 31, and correspondence is set at least two rotor slot 31
Have at least two radiating fin 7, at least two radiating fin 7 around the circumferentially disposed of rotor 3 and with the heat dissipation
Flabellum in fan 5 is correspondingly arranged, and the shape of the radiating fin 7 is convex shape, the raised end face of the radiating fin 7 of convex shape
Set for corrugated curved surface and towards the direction away from rotor, at least two radiating fin 7 is spaced, the heat dissipation
The quantity of fin 7 and the ratio of the quantity of the permanent magnet are 1-3:1.The quantity of the radiating fin 7 and the permanent magnet 6
The ratio of quantity is 3:1.Further include body 8, the stator 1, winding 2, rotor 3, shaft 4, radiator fan 5 and at least two
The permanent magnet 6 of sectional type is respectively arranged in the body 8.
In conclusion the magneto alternator of good heat dissipation provided by the utility model effectively improves heat dissipation effect
Advantage.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalents made based on the specification and figures of the utility model, are directly or indirectly used in relevant technology neck
Domain, is equally included in the patent within the scope of the utility model.
Claims (6)
1. a kind of magneto alternator of good heat dissipation, it is characterised in that including stator, winding, rotor, shaft, radiator fan
With the permanent magnet of at least two sectional type, the stator is the hollow structure of both ends open, and the inner peripheral surface of the stator is equipped with
Groove, described around being mounted in the groove, the rotor is arranged in the hollow structure of stator, axial direction of the shaft along rotor
Through the rotor, the outer circumferential surface of the rotor is equipped with least two holding tank of bar shaped, at least two holding tank edge
Axially extending and around rotor the circumferentially-spaced distribution of rotor, at least two permanent magnet are extremely alternate according to S poles, N respectively
Mode is correspondingly arranged at least two holding tank, and end and the radiator fan of the shaft are rotatablely connected, the rotor
Two end faces are equipped with least two rotor slot, and at least two radiating fin is correspondingly provided with least two rotor slot
Piece, at least two radiating fin are correspondingly arranged around the circumferentially disposed of rotor and with the flabellum in the radiator fan,
The shape of the radiating fin is convex shape, and the raised end face of the radiating fin of convex shape turns for corrugated curved surface and towards remote
The direction of son is set, and at least two radiating fin is spaced, the quantity of the radiating fin and the permanent magnet
The ratio of quantity is 1-3:1.
2. the magneto alternator of good heat dissipation according to claim 1, it is characterised in that the quantity of the radiating fin
Ratio with the quantity of the permanent magnet is 1:1.
3. the magneto alternator of good heat dissipation according to claim 1, it is characterised in that the quantity of the radiating fin
Ratio with the quantity of the permanent magnet is 3:1.
4. the magneto alternator of good heat dissipation according to claim 1, it is characterised in that at least two heat dissipation
Fin is arranged in parallel.
5. the magneto alternator of good heat dissipation according to claim 1, it is characterised in that the number of the permanent magnet is
4-8.
6. the magneto alternator of good heat dissipation according to claim 1, it is characterised in that body is further included, it is described fixed
Son, winding, rotor, shaft, the permanent magnet of radiator fan and at least two sectional type are respectively arranged in the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721172935.3U CN207304339U (en) | 2017-09-13 | 2017-09-13 | A kind of magneto alternator of good heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721172935.3U CN207304339U (en) | 2017-09-13 | 2017-09-13 | A kind of magneto alternator of good heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207304339U true CN207304339U (en) | 2018-05-01 |
Family
ID=62447015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721172935.3U Expired - Fee Related CN207304339U (en) | 2017-09-13 | 2017-09-13 | A kind of magneto alternator of good heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207304339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541339A (en) * | 2020-04-27 | 2020-08-14 | 巧力电机有限公司 | Small-size energy-conserving PMSM |
-
2017
- 2017-09-13 CN CN201721172935.3U patent/CN207304339U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541339A (en) * | 2020-04-27 | 2020-08-14 | 巧力电机有限公司 | Small-size energy-conserving PMSM |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 Termination date: 20190913 |