CN208955758U - Axial direction electric machine and motor in axial magnetic field stator core - Google Patents
Axial direction electric machine and motor in axial magnetic field stator core Download PDFInfo
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- CN208955758U CN208955758U CN201821082601.1U CN201821082601U CN208955758U CN 208955758 U CN208955758 U CN 208955758U CN 201821082601 U CN201821082601 U CN 201821082601U CN 208955758 U CN208955758 U CN 208955758U
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Abstract
The utility model provides a kind of motor in axial magnetic field stator core, including cyclic annular yoke portion, is set to the side of yoke portion axial direction, and the multiple core bodies being arranged circumferentially around yoke portion, is installed with insulating plastic layer on the coil winding wall surface of core body.By one layer of insulating plastic layer fixed on the coil winding wall surface of core body, coil and core body are isolated by insulating plastic layer, eliminate scuffing risk of the edge corner angle to coil of core body, improve the reliability of stator core insulation, simultaneously, ambroin layer surface is smooth, is conducive to coil and is encased in stator core.The utility model additionally provides a kind of axial direction electric machine.
Description
Technical field
The utility model relates to technical field of motors, more specifically to a kind of axial direction electric machine and motor in axial magnetic field
Stator core.
Background technique
The stator core of motor in axial magnetic field is radially provided on one or two end faces shaped like hollow cylinder
A certain number of slots, for embedding conductive copper wire.Since stator core is generally by the silicon steel sheet or other soft magnetisms of magnetic conduction conduction
Material production.For the insulation performance for guaranteeing buried copper line, existing scheme insertion in advance before copper wire is embedded in iron core has insulating properties
The insulating paper of energy, or the place coating insulating coating in iron core slot and with coil contact.In addition, also having using in iron core
The method of place cladding ambroin in slot and with coil contact.
As depicted in figs. 1 and 2, Fig. 1 is that motor in axial magnetic field stator structure schematic diagram, Fig. 2 are Fig. 1 coiling in the prior art
Structural schematic diagram after coil.Stator core 1` has the hollow cylinder structure radially slotted, circumferentially by silicon steel sheet
Coiling and molding, coil 2` are to be coated with the copper wire of certain thickness insulating layer on surface after being drawn by fine copper, and coil 2` is according to certain
Regular coiling is simultaneously embedded in iron core slot 3`.Three-phase current is each led into the head end A1, B1, C1 of three-phase windings when motor works,
Electric current flows out tail end A2, B2, C2 from head end respectively, generates alternating magnetic field.Stator core 1` is mentioned as magnetic conductive part for stator field
For access.So, it is desirable that between stator core 1` and the copper wire of coil 2`, in same iron core slot not between in-phase coil 2`, line
It encloses 2` to stretch out between the part stator core 1` and stator core 1` inside and outside circle, end regions are not done between in-phase coil 2` connecting line
To electrical isolation.
The prior art uses the scheme of electrostatic powder coating stator core, due to needing insulating powder to have certain conduction
Property, cause insulation performance weak, limits the use scope of motor.It is brushed on stator core 1` or spray insulation coating
Solution process process is complicated, and coating uniformity is difficult to ensure, causes coating insulation performance reliability low.Due to motor in axial magnetic field
Stator core is generally wound by the lesser silicon steel sheet punching press of thickness, can not form the circle of certain radius at the edge iron core slot 3`
Angle causes stator core 1` to form slot wedge angle 4` in iron core slot 3` aperture position, is easy to cause to scratch to coil 2`, causes to adopt
Inevitably all the insulation at groove edge can be made failure risk occur when carrying out insulation processing with above scheme.
Therefore, the insulation risk for how reducing axial stator iron core slot edge, be current those skilled in the art urgently
It solves the problems, such as.
Utility model content
In view of this, the present invention provides a kind of motor in axial magnetic field stator cores, to reduce axial stator iron core
Insulation risk at groove edge；The utility model additionally provides a kind of axial direction electric machine.
In order to achieve the above object, the utility model provides the following technical solutions:
A kind of motor in axial magnetic field stator core, including cyclic annular yoke portion, are set to the side of the yoke portion axial direction, and surround
Multiple core bodies that the yoke portion is arranged circumferentially are installed with ambroin on the coil winding wall surface of the core body
Layer.
Preferably, in above-mentioned motor in axial magnetic field stator core, the coil winding wall surface includes along yoke portion diameter
To inner wall and outside wall surface, and the trough wall surface along core body width direction two sides；
It is provided with the first insulating plastic layer on the inner wall, the second insulating plastic layer, institute are provided on the trough wall surface
State the link position arc transition of the first insulating plastic layer and second insulating plastic layer.
Preferably, in above-mentioned motor in axial magnetic field stator core, third insulating plastic layer is provided in the outside wall surface,
The link position arc transition of the third insulating plastic layer and second insulating plastic layer.
Preferably, in above-mentioned motor in axial magnetic field stator core, the insulating plastic layer is moulded heat-conductive insulated plastics layer.
Preferably, in above-mentioned motor in axial magnetic field stator core, the moulded heat-conductive insulated plastics layer embedding and injection molding is in described
On the coil winding wall surface of core body.
A kind of axial direction electric machine, is arranged inside motor in axial magnetic field iron core, and the motor in axial magnetic field iron core is such as to take up an official post
Motor in axial magnetic field stator core described in meaning one.
Motor in axial magnetic field stator core provided by the utility model, including cyclic annular yoke portion are set to the one of yoke portion axial direction
Side, and multiple core bodies that yoke portion is arranged circumferentially are surround, insulated plastic is installed on the coil winding wall surface of core body
The bed of material.The stator core of motor in axial magnetic field, yoke portion are cyclic structure, and core body is located at the side of cyclic annular yoke portion axial direction, and
Including around the multiple of arrangement, being coil winding slot between two adjacent core bodies, opening direction is along cyclic annular yoke portion
Axial arrangement, coil are set in coil winding slot, and a circle arrangement of wound core ontology, by the coil winding of core body
Fixed one layer of insulating plastic layer, is isolated coil and core body by insulating plastic layer, eliminates core body on wall surface
Edge corner angle to the scuffing risk of coil, improve the reliability of stator core insulation, meanwhile, ambroin layer surface light
It is sliding, be conducive to coil and be encased in stator core.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is motor in axial magnetic field stator structure schematic diagram in the prior art；
Fig. 2 is the structural schematic diagram after Fig. 1 coiling；
Fig. 3 is the structural schematic diagram figure of motor in axial magnetic field stator core provided by the utility model；
Fig. 4 is the main view of Fig. 3；
Fig. 5 is the left view of Fig. 4.
Specific embodiment
The utility model discloses a kind of motor in axial magnetic field stator cores, reduce axial stator iron core slot edge
Insulate risk；The utility model additionally provides a kind of axial direction electric machine.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clear, complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 3-Figure 5, Fig. 3 is the structural schematic diagram of motor in axial magnetic field stator core provided by the utility model
Figure；Fig. 4 is the main view of Fig. 3；Fig. 5 is the left view of Fig. 4.
The utility model provides a kind of motor in axial magnetic field stator core, including cyclic annular yoke portion 1, is set to 1 axis of yoke portion
To side, and multiple core bodies 2 being arranged circumferentially around yoke portion 1 are fixed on the coil winding wall surface of core body 2
There is insulating plastic layer 3.The stator core of motor in axial magnetic field, yoke portion 1 are cyclic structure, and core body 2 is located at cyclic annular yoke portion axis
To side, and including around arrangement it is multiple, between two adjacent core bodies 2 be coil winding slot, opening direction
Axial arrangement along cyclic annular yoke portion, coil are set in coil winding slot, and a circle arrangement of wound core ontology 2, by iron core
Fixed one layer of insulating plastic layer 3 on the coil winding wall surface of ontology 2, by insulating plastic layer 3 to coil and core body 2 carry out every
From, scuffing risk of the edge corner angle to coil of core body 2 is eliminated, meanwhile, stator core is distinguished along its axial two sides
For radiating surface 4 and air-gap surface 5, insulating plastic layer should be avoided and be covered in radiating surface 4 and air-gap surface 5, influence the heat dissipation of stator core
With magnetic field intercepts, the reliability of stator core insulation is improved, meanwhile, ambroin layer surface is smooth, is conducive to coil loading
Into stator core.
In one specific embodiment of this case, coil winding wall surface includes the inner wall and outside wall surface along yoke portion radial direction, and
Trough wall surface along 2 width direction two sides of core body；It is provided with the first insulating plastic layer 31 on inner wall, is provided on trough wall surface
Second insulating plastic layer 32, the link position arc transition of the first insulating plastic layer 31 and the second insulating plastic layer 32.
Stator core is mainly made by silicon steel sheet punching volume, the silicon steel sheet of arranged stacked, so that core body is in coil
The crossover position of adjacent two wall surface of coiling wall surface, it is difficult to form fillet, which be easy to cause scuffing to coil.
Two adjacent wall surfaces, mainly include the inner wall along 1 radially inner side of yoke portion in core body 2, along yoke portion radial direction
The outside wall surface in outside, and the trough wall surface along 2 width direction two sides of core body.Insulating plastic layer 3 is set on inner wall
First insulating plastic layer 31, being set to is the second insulating plastic layer 32 on two trough wall surfaces, the first insulating plastic layer and 31 liang
Knuckle is all had between a second insulating plastic layer 32, knuckle is formed by insulating plastic layer 3 in the position, internally
Corner angle between wall surface and trough wall surface are protected, and the scuffing of coil in the position is avoided.
In one specific embodiment of this case, third insulating plastic layer 33, third insulating plastic layer 33 are provided in outside wall surface
With the link position arc transition of the second insulating plastic layer 32.Insulating plastic layer 3 is third insulating plastic layer 33 in outside wall surface,
Round-corner transition is arranged in crossover position between the second insulating plastic layer 32 on third insulating plastic layer 33 and two trough wall surfaces,
To avoid the corner angle between outside wall surface and trough wall surface to the scuffing risk of coil.
Core body 2 is trapezium structure in the section in the radial direction along yoke portion 1, and the width of inner wall is smaller, outer wall
The width in face becomes larger, and adapts to the stator core of different size, insulating plastic layer 3 can along the certain altitude that extends radially out in yoke portion 1, one
Aspect avoids the width for reducing coil slot convenient for being easily formed knuckle between the second insulating plastic layer 32 on trough wall surface
On the other hand degree reduces the preparation difficulty of insulating plastic layer 3.
In one specific embodiment of this case, insulating plastic layer 3 is moulded heat-conductive insulated plastics layer.Motor in axial magnetic field stator core
At work, biggish heat is generated, sets insulating plastic layer on the moulded heat-conductive insulated plastics layer with the capacity of heat transmission, convenient for fixed
Conduction of the sub- iron core to heat reduces risk of the setting to electronics iron core job stability of insulating plastic layer.
In one specific embodiment of this case, moulded heat-conductive insulated plastics layer embedding and injection molding is in the coil winding wall surface of core body 2
On.Insulating plastic layer is continuously arranged on coil winding wall surface, avoids the transition corner angle due to insulating plastic layer in different end faces
Position generates protection defect.By embedding and injection molding technique, can structural stability and knuckle to insulating plastic layer knot
Structure control effectively, and the ambroin layer surface of embedding and injection molding preparation is smooth, so that subsequent coil embedding technology difficulty
It reduces, is easy to the automated production of coil winding, improves the embedding technology of coil.
The motor in axial magnetic field stator core provided in based on the above embodiment, the utility model additionally provide a kind of axial direction
Motor in axial magnetic field iron core is arranged inside in motor, and the motor in axial magnetic field stator core which is equipped with is above-mentioned
The motor in axial magnetic field stator core provided in embodiment.
Due to the axial direction electric machine use above-described embodiment motor in axial magnetic field stator core, so the axial direction electric machine by
Motor in axial magnetic field stator core bring beneficial effect please refers to above-described embodiment.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (3)
1. a kind of motor in axial magnetic field stator core, which is characterized in that including cyclic annular yoke portion, be set to the one of the yoke portion axial direction
Side, and multiple core bodies that the yoke portion is arranged circumferentially are surround, it is fixed on the coil winding wall surface of the core body
There is insulating plastic layer；
The insulating plastic layer is moulded heat-conductive insulated plastics layer, and the moulded heat-conductive insulated plastics layer embedding and injection molding is in the core body
On coil winding wall surface；
The coil winding wall surface includes the inner wall and outside wall surface along the yoke portion radial direction, and along the core body width
The trough wall surface of direction two sides；
It is provided with the first insulating plastic layer on the inner wall, is provided with the second insulating plastic layer on the trough wall surface, described
The link position arc transition of one insulating plastic layer and second insulating plastic layer.
2. motor in axial magnetic field stator core according to claim 1, which is characterized in that be provided in the outside wall surface
Three insulating plastic layers, the link position arc transition of the third insulating plastic layer and second insulating plastic layer.
3. motor in axial magnetic field iron core is arranged inside in a kind of axial direction electric machine, which is characterized in that the motor in axial magnetic field iron core
For the motor in axial magnetic field stator core as described in any one of claim 1-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821082601.1U CN208955758U (en) | 2018-07-09 | 2018-07-09 | Axial direction electric machine and motor in axial magnetic field stator core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821082601.1U CN208955758U (en) | 2018-07-09 | 2018-07-09 | Axial direction electric machine and motor in axial magnetic field stator core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208955758U true CN208955758U (en) | 2019-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821082601.1U Active CN208955758U (en) | 2018-07-09 | 2018-07-09 | Axial direction electric machine and motor in axial magnetic field stator core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112039230A (en) * | 2020-05-29 | 2020-12-04 | 浙江盘毂动力科技有限公司 | Axial motor stator and production process thereof |
-
2018
- 2018-07-09 CN CN201821082601.1U patent/CN208955758U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112039230A (en) * | 2020-05-29 | 2020-12-04 | 浙江盘毂动力科技有限公司 | Axial motor stator and production process thereof |
| CN112039230B (en) * | 2020-05-29 | 2022-09-13 | 浙江盘毂动力科技有限公司 | Axial motor stator and production process thereof |
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