CN208272727U - A kind of inserted magnet steel outer rotor for motor - Google Patents
A kind of inserted magnet steel outer rotor for motor Download PDFInfo
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- CN208272727U CN208272727U CN201721313132.5U CN201721313132U CN208272727U CN 208272727 U CN208272727 U CN 208272727U CN 201721313132 U CN201721313132 U CN 201721313132U CN 208272727 U CN208272727 U CN 208272727U
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- magnet steel
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- iron core
- frame body
- core frame
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Abstract
The utility model provides a kind of inserted magnet steel outer rotor for motor, including outer rotor frame, wherein: outer rotor frame includes bottom plate and the cylindric iron core frame body that is located on bottom plate, the inner wall of cylindric iron core frame body is evenly distributed with several magnetic slots, and the magnet steel that setting one matches with magnet steel slot structure is respectively corresponded in each magnetic slot.When use; the magnet steel of external rotor electric machine is more firm; guarantee when external force directly impacts magnet steel; external force is effectively dispersed; magnet steel is further protected, the service life of motor is extended, driving motor is safely operated under more complicated operating condition; rotor eddy current loss is small simultaneously, fever is few, and operational reliability improves.
Description
Technical field
The utility model relates to technical field of motors more particularly to a kind of outer rotors for motor, specifically a kind of
Outer rotor equipped with inserted magnet steel.
Background technique
Currently, the technique of external rotor electric machine and design are quite mature, but generally magnet steel is set on stator, is being turned
When dynamic, magnet steel is easy to be damaged, while the magnet steel on stator is arranged in and is easy to take off in the process of running by external impacts
Fall, be lost, cause motor operation failure, at the same the efficiency of motor and power factor is lower, motor can not be under complicated operating condition
It run, limit it in the development of new energy field.
Therefore, existing external rotor electric machine is in new-energy automobile field face huge challenge, how to be promoted electric efficiency,
Ensure that motor safe operation is the current task of top priority.
Summary of the invention
The purpose of the utility model is to provide a kind of inserted magnet steel outer rotors for motor, by motor outer rotor
The improvement of structure, strengthens the anti-impact force of magnet steel, and substantially reduces the rotor eddy current loss of motor, significantly improves the effect of motor
Rate and power factor.
To achieve the goals above, the technical solution of the utility model is: turning outside a kind of inserted magnet steel for motor
Son, it mainly includes outer rotor frame, it is characterised in that: the outer rotor frame includes bottom plate and the cylindric iron that is located on bottom plate
Core frame body, the inner wall of cylindric iron core frame body are evenly distributed with several magnetic slots, respectively corresponded in each magnetic slot setting one with
The magnet steel that magnet steel slot structure matches.
Preferably, each magnetic slot runs through cylindric iron core frame body, and bottom and the bottom plate of magnetic slot are connected, magnetic slot
For open slot, the open side of the open slot and the inner wall of iron core frame body are connected, the direction of magnetic slot setting and iron core frame body
Central axes direction it is consistent；The two sidewalls of magnetic slot are respectively equipped with symmetrical outwardly extending ear slot, the two sides of magnet steel be equipped with
The male part that ear slot matches.
Further, magnet steel is in the form of a column structure, and the forward and backward side wall of magnet steel is arc surface, and wherein front side wall is interior concave arc
The inner wall in face, the arc surface and iron core frame body matches, so that the front side wall of magnet steel is connect simultaneously with the inner wall smooth of iron core frame body
Form a coherent arcwall face；The rear wall of magnet steel is the arc surface of outwardly convex, and the magnetic slot is equipped with and the rear side
The corresponding magnetic slot arc surface of wall；The left and right sidewall of magnet steel is respectively equipped with symmetrically arranged strip male part.
Further, the ear slot also extends through entire iron core frame body, and bottom and the bottom plate of ear slot are connected, the ear
Slot is square groove or arc groove.Magnetic slot inner wall and magnet steel surface are equipped with adhesive layer, which makes magnetic slot and magnetic
Steel consolidation is integrated, and the material of the adhesive layer is epoxy resin.
Compared with the existing technology, the technical solution of the utility model further includes many in addition to the improvement of overall technical architecture
Improvement in terms of details, specifically, having the advantages that
1, improvement project described in the utility model opens up magnetic slot on outer rotor, and places magnet steel in magnetic slot,
So that the magnet steel of external rotor electric machine is more firm, the slot leakage reactance of stator and rotor is effectively reduced, it is higher to provide bigger torque output
Power density；
2, the magnet steel of the technical solution of the utility model is uniformly distributed the inner wall with iron core frame body, and magnet steel carries arc
The inner wall of face and iron core frame body forms coherent arcwall face, guarantees that external force is effectively dispersed when external force directly impacts magnet steel, into
One step protects magnet steel, extends the service life of motor；
3, the magnetic slot of the utility model uses special structure, and has magnet steel with matching, this spline structure can
Preferably to fix magnet steel, magnet steel ease for operation in mosaic process is not only considered, magnet steel only needs the magnetic slot of insertion opening
, while also ensuring the cooperation firmness between magnet steel and magnetic slot, magnet steel impact resistance is increased, so that driving electricity
Machine can be safely operated under more complicated operating condition；
4, the magnetic slot of the utility model is designed using open slot, is not only considered the installation convenience of magnet steel, is increased simultaneously
Contact surface between magnet steel and stator, the effect of ensure that motor；
5, it bonds between magnetic slot and magnet steel by the way that adhesive layer is fixed, so that entire iron core frame body becomes one structure, makes
Obtaining motor, it applies more widely, while rotor eddy current loss is small, fever is few, and operational reliability improves.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model iron core frame body.
Fig. 2 is the structural schematic diagram of the utility model magnet steel.
Fig. 3 is the end structure illustration of the utility model magnet steel.
Fig. 4 is the structural schematic diagram of an embodiment of the present invention.
Appended drawing reference:
1 outer rotor frame, 2 magnetic slots, 3 magnet steel；
11 bottom plates, 12 iron core frame bodies；
21 ear slots, 22 magnetic slot arc surfaces；
31 front side walls, 32 rear walls, 33 male parts.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The utility model provides a kind of inserted magnet steel outer rotor for motor, and with reference in Fig. 4, it mainly includes outer
Rotor rack, the outer rotor frame include bottom plate and the cylindric iron core frame body that is located on bottom plate, cylindric iron core frame body it is interior
Wall is evenly distributed with several magnetic slots, and the magnet steel that setting one matches with magnet steel slot structure is respectively corresponded in each magnetic slot.This
In the quantity of magnetic slot can be selected according to rating of machine, size, generally can choose 8-40.
Specifically, each magnetic slot runs through cylindric iron core frame body, and bottom and the bottom plate of magnetic slot are connected, magnet steel
Slot is open slot, and the open side of the open slot and the inner wall of iron core frame body are connected, and the spacing between adjacent magnetic slot is all
Identical, the direction of magnetic slot setting is consistent with the central axes direction of iron core frame body, can guarantee the angle of magnet steel installation in this way, and
And when guaranteeing to rotate between rotor and stator, motor can be generated compared with large effect.
The two sidewalls of magnetic slot are respectively equipped with symmetrical outwardly extending ear slot, and the two sides of magnet steel are equipped with to be matched with ear slot
Male part, the fit system of such ear slot and male part, effectively fixed so that magnetic slot is bonded completely with magnet steel, high speed turns
Under dynamic impact events, it is still able to maintain effective secure fit.But also the magnet steel of external rotor electric machine is more firm, effectively subtract
The slot leakage reactance of few stator and rotor provides bigger torque and exports higher power density.
In one embodiment, magnetic slot is open slot, and the quantity of magnetic slot is 20, and the setting of open slot is not only examined
Consider magnet steel ease for operation in mosaic process, magnet steel only needs the magnetic slot of insertion opening, while also ensure magnet steel with
Cooperation firmness between magnetic slot, increases magnet steel impact resistance, enables driving motor in more complicated operating condition
Lower safe operation.
Further, magnet steel is in the form of a column structure, and the forward and backward side wall of magnet steel is arc surface, and wherein front side wall is interior concave arc
The inner wall in face, the arc surface and iron core frame body matches, so that the front side wall of magnet steel is connect simultaneously with the inner wall smooth of iron core frame body
Form a coherent arcwall face；The rear wall of magnet steel is the arc surface of outwardly convex, and the magnetic slot is equipped with and the rear side
The corresponding magnetic slot arc surface of wall；The laminating type of this arc, not only to it is easy for installation, while ensure that magnet steel in stress
When, can preferably dissolve, the inner wall that magnet steel carries arcwall face and iron core frame body forms coherent arcwall face, become one it is whole
Body guarantees that external force is effectively dispersed, and magnet steel is further protected when external force directly impacts magnet steel, and extend motor uses the longevity
Life, meanwhile, the left and right sidewall of magnet steel is respectively equipped with symmetrically arranged strip male part.
In one embodiment, the ear slot also extends through entire iron core frame body, and bottom and the bottom plate of ear slot are connected, institute
The ear slot stated is square groove or arc groove.Magnetic slot inner wall and magnet steel surface are equipped with adhesive layer, which makes magnet steel
Slot is integrated with magnet steel consolidation, and the material of the adhesive layer is epoxy resin, by adhesive layer iron core frame body is connect with magnet steel
As an entirety, keep the magnet steel of external rotor electric machine more firm.It is anti-to effectively increase magnet steel for the outer rotor and motor of the utility model
Impact force ability enables driving motor to be safely operated under more complex operating condition；Simultaneously rotor eddy current loss it is small, fever less,
Operational reliability is high.
Specific embodiment of the utility model is described in detail above, but it is merely an example, this is practical new
Type is not restricted to particular embodiments described above.To those skilled in the art, any pair of the utility model carries out
Equivalent modifications and substitution also all among the scope of the utility model.Therefore, in the spirit and model for not departing from the utility model
Lower made equal transformation and modification are enclosed, should all be covered in the scope of the utility model.
Claims (4)
1. a kind of inserted magnet steel outer rotor for motor, it mainly includes outer rotor frame, it is characterised in that: described outer turn
Subrack includes bottom plate and the cylindric iron core frame body that is located on bottom plate, and the inner wall of cylindric iron core frame body is evenly distributed with several magnetic
Steel tank respectively corresponds the magnet steel that setting one matches with magnet steel slot structure in each magnetic slot;Each magnetic slot runs through cylinder
Shape iron core frame body, bottom and the bottom plate of magnetic slot are connected, and magnetic slot is open slot, the open side and iron core frame of the open slot
The inner wall of body is connected, and the direction of magnetic slot setting is consistent with the central axes direction of iron core frame body；
The two sidewalls of magnetic slot are respectively equipped with symmetrical outwardly extending ear slot, and the two sides of magnet steel are outer equipped with what is matched with ear slot
Protrusion.
2. a kind of inserted magnet steel outer rotor for motor according to claim 1, it is characterised in that: magnet steel is in the form of a column
The forward and backward side wall of structure, magnet steel is arc surface, and wherein front side wall is interior concaved circular cambered surface, and the arc surface is interior with iron core frame body
Wall matches, so that the front side wall of magnet steel connect with the inner wall smooth of iron core frame body and forms a coherent arcwall face；
The rear wall of magnet steel is the arc surface of outwardly convex, and the magnetic slot is equipped with magnetic slot circular arc corresponding with the rear wall
Face；
The left and right sidewall of magnet steel is respectively equipped with symmetrically arranged strip male part.
3. a kind of inserted magnet steel outer rotor for motor according to claim 1, it is characterised in that: the ear slot
Entire iron core frame body is also extended through, bottom and the bottom plate of ear slot are connected, and the ear slot is square groove or arc groove.
4. a kind of inserted magnet steel outer rotor for motor according to claim 1, it is characterised in that: magnetic slot inner wall
And magnet steel surface is equipped with adhesive layer, which be integrated magnetic slot with magnet steel consolidation, and the material of the adhesive layer is ring
Oxygen resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721313132.5U CN208272727U (en) | 2017-10-12 | 2017-10-12 | A kind of inserted magnet steel outer rotor for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721313132.5U CN208272727U (en) | 2017-10-12 | 2017-10-12 | A kind of inserted magnet steel outer rotor for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208272727U true CN208272727U (en) | 2018-12-21 |
Family
ID=64673142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721313132.5U Active CN208272727U (en) | 2017-10-12 | 2017-10-12 | A kind of inserted magnet steel outer rotor for motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208272727U (en) |
-
2017
- 2017-10-12 CN CN201721313132.5U patent/CN208272727U/en active Active
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