CN208806659U - A kind of motor and its stator core - Google Patents
A kind of motor and its stator core Download PDFInfo
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- CN208806659U CN208806659U CN201821730433.2U CN201821730433U CN208806659U CN 208806659 U CN208806659 U CN 208806659U CN 201821730433 U CN201821730433 U CN 201821730433U CN 208806659 U CN208806659 U CN 208806659U
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Abstract
The utility model discloses a kind of stator cores of motor, it is folded thick (2) including ring outside stator core yoke portion folded thick (1) and sun flute profile formula iron core, the sun flute profile formula iron core folded thick (2) is equipped with multiple stator tooths, the teeth portion of the stator tooth is pressed with monomer coiling (5), the sun flute profile formula iron core folds the insulation framework (3) being equipped on thick stator tooth for fixing the monomer coiling (5), the outer wall of the stator tooth is concordant with the outer wall of the insulation framework (3), the monomer coiling (5) and insulation framework (3) are set in ring outside stator core yoke portion folded thick (1) with the sun flute profile formula iron core folded thick (2).The stator core had effectively not only improved the utilization rate of stator slot, but also reduced cogging torque, reduces torque ripple, improves power torque density.The invention also discloses a kind of motor including said stator iron core, its advantages are identical as the beneficial effect of stator core.
Description
Technical field
The utility model relates to electric machine structure technical fields, more particularly to a kind of stator core.In addition, the utility model
Further relate to a kind of motor including said stator iron core.
Background technique
With the development of science and technology, increasingly being highlighted to motor high power density, small size, low cost, efficient demand, at this
Under the conditions of sample, it is desirable to which design of electrical motor personnel improve the structure of existing motor by constantly innovating with prioritization scheme.
Currently, in the utilization that all kinds of motors need high-torque and high power density, it is desirable that high power density output, it must
The performance of electromagnet is improved, that is, improves the design of stator side.Rotor-side can use high performance magnet, but stator side is just
Demand reaches high copper factor under certain specification.It is limited by various production technologies, completely must in this way
It determines the algorithm of the inside and outside diameter of stator from the source of design using first design volume, calculates diameter of stator bore and outer diameter
Ratio is split, torque volume is exactly the product of specific electric load and air gap flux density, needs to improve the numerical value of specific electric load and air gap flux density, is sufficiently sent out
Stator structure is waved, the utilization rate of material is improved.Common stator design, copper factor are not achieved 75% or more, find a kind of new
Structure can effectively improve the utilization rate of stator slot and effectively reduce cogging torque, can effectively reduce torque wave
It is dynamic, it is just extremely important.
In conclusion how effectively not only to have improved the utilization rate of stator slot, but also reduce cogging torque, reduce torque ripple,
Hoisting power torque density is current those skilled in the art's urgent problem.
Utility model content
The purpose of the utility model is to provide a kind of stator core, which had effectively both improved the benefit of stator slot
With rate, and cogging torque is reduced, reduces torque ripple, while improving power torque density；The utility model it is another
Purpose is to provide a kind of motor including said stator iron core.
In order to solve the above technical problems, the utility model provides the following technical solutions:
The folded thickness of the folded thick and sun flute profile formula iron core of ring, institute outside a kind of stator core of motor, including stator core yoke portion
State that sun flute profile formula iron core is folded thick to be equipped with multiple stator tooths, the teeth portion of the stator tooth is pressed with monomer coiling, it is described too
Positive flute profile formula iron core folds the insulation framework being equipped on thick stator tooth for fixing the monomer coiling, the stator tooth
Outer wall is concordant with the outer wall of the insulation framework, and the monomer coiling and insulation framework are with the folded thickness of the sun flute profile formula iron core
It is set in the folded thickness of ring outside stator core yoke portion.
Preferably, the folded thick riveting point button riveting by laminating multiple core stampings of ring connects outside stator core yoke portion；
Or pass through the iron core self-adhesion silicon steel punching connection without riveting point.
Preferably, the folded thick riveting point button riveting by laminating multiple sun tooth punchings of the sun flute profile formula iron core connects；Or
Person passes through the sun tooth self-adhesion silicon steel punching connection without riveting point.
Preferably, the folded thick and sun flute profile formula iron core of ring is folded thick by being pressed directly into outside stator core yoke portion
Or hot cover process indentation.
Preferably, the folded thickness of ring and the sun flute profile formula iron core are folded thick concentric using not waiting outside stator core yoke portion
Arc come cooperate, bump structure cooperation or angle-style engagement fitting.
Preferably, the sun flute profile formula iron core folds thick stator tooth annular array distribution uniform in a circumferential direction.
Preferably, the monomer coiling winds enameled wire by positive direction and opposite direction winds enameled wire, forms a phase
Coil molding.
Preferably, the monomer coiling is by continuous positive direction around first single line packet, and then opposite direction is around second
Single line packet, then positive direction forms one and is connected in series coil around third single line packet again, then several described series coils are in parallel
Connection molding.
A kind of motor, including rotor and the stator core matched with the rotor, on the stator core is specially
State described in any item stator cores.
Stator core provided by the utility model, motor permanent-magnet DC brushless/permanent magnetism suitable for motion control class are handed over
Flow servo motor/torque motor.Different from traditional core design, stator core consists of two parts, including stator core yoke
The folded thick and sun flute profile formula iron core of ring is folded thick outside portion, and the folded thickness of the folded thick and sun flute profile formula iron core of ring is logical outside stator core yoke portion
It crosses punching to be overrided to form, each button riveting is integrated or self-adhesion one, the folded thick and sun flute profile formula iron core of ring outside stator core yoke portion
The folded thick complete stator side of formation.Sun flute profile formula iron core is folded thick equipped with multiple stator tooths, and the teeth portion of each stator tooth is pressed
Equipped with a monomer coiling, sun flute profile formula iron core is folded and is equipped with insulation framework on thick stator tooth, and insulation framework is for solid
Order body coiling.Monomer coiling is combined by insulation framework and enameled wire, and enameled wire can the maximization of coiling effective area.Stator tooth
Outer wall it is concordant with the outer wall of insulation framework, monomer coiling and insulation framework fold beefy suit in stator with sun flute profile formula iron core
In the folded thickness of the outer ring of iron core yoke part, complete motor stator is completed.Using integral outer ring and integral inner ring closed slot stator core,
In nested structure, inner-outer sleeve stator is integral type, dimensionally stable inside and outside stator, mechanical precision height.
Stator core provided by the utility model can effectively improve the utilization rate for carrying out stator slot, reduce tooth socket
Torque reduces torque ripple, mentions high control precision, and the motor excellent performance being able to satisfy, and reduces production process, is suitable for work
Factory's automated production, homogeneity of product is more preferable, has saved manually, reduces the investment of equipment, reduces production cost, convenient for large quantities of
Measure mechanization production.
The utility model also provides a kind of motor, including rotor and the stator core matched with rotor, the stator iron
Core is specially any of the above-described kind of stator core.Since above-mentioned stator core has above-mentioned technique effect, there is the stator core
Motor should also have corresponding technical effect.
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 the stator core assembling schematic diagram of the utility model；
Fig. 2 is the stator core overall schematic of the utility model；
Fig. 3 is the connection coiling schematic diagram of the utility model；
Fig. 4 is that ring folds thick fitting signal outside the folded thick and stator core yoke portion of sun flute profile formula iron core of the utility model
Figure；
Fig. 5 is that the monomer coiling of the utility model is pressed into the folded thick schematic diagram of sun flute profile formula iron core；
Fig. 6 is that the sun flute profile formula iron core of the utility model folds thick schematic diagram；
Fig. 7 is the folded thick schematic diagram of ring outside the folded thick loading stator core yoke portion of the sun flute profile formula iron core of the utility model.
It is marked in attached drawing as follows:
Folded thick, the 2- sun flute profile formula iron core of ring folds thickness, 3- insulation framework, 4- enameled wire, 5- outside 1- stator core yoke portion
Monomer coiling.
Specific embodiment
The core of the utility model is to provide a kind of stator core, which had effectively both improved the benefit of stator slot
With rate, and cogging torque is reduced, reduces torque ripple, while improving power torque density；The utility model it is another
Core is to provide a kind of motor including said stator iron core.
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
Clearly and completely describe, 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 are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 to Fig. 7 is please referred to, Fig. 1 is the stator core assembling schematic diagram of the utility model；Fig. 2 is the utility model
Stator core overall schematic；Fig. 3 is the connection coiling schematic diagram of the utility model；Fig. 4 is the sun flute profile of the utility model
Ring folds thick fitting schematic diagram outside the folded thick and stator core yoke portion of formula iron core；Fig. 5 is the monomer coiling pressure of the utility model
Enter the folded thick schematic diagram of sun flute profile formula iron core；
Fig. 6 is that the sun flute profile formula iron core of the utility model folds thick schematic diagram；Fig. 7 is the sun flute profile of the utility model
The folded thick schematic diagram of ring outside the folded thick loading stator core yoke portion of formula iron core.
In a specific embodiment, stator core provided by the utility model, the electricity suitable for motion control class
Machine permanent-magnet DC brushless/permanent-magnet alternating current servo motor/torque motor.Different from traditional core design, stator core is by two
It is grouped as, including the folded thickness 1 of ring and the folded thickness 2 of sun flute profile formula iron core outside stator core yoke portion, ring is folded outside stator core yoke portion
Thickness 1 and the folded thickness 2 of sun flute profile formula iron core are overrided to form by punching, and each button riveting is integrated or self-adhesion one, stator core yoke portion
The folded thickness 1 of outer ring and the folded thickness 2 of sun flute profile formula iron core form complete stator side.By being assembled after mould punching, specification
Precision is easily guaranteed that, to motor performance and is obviously improved, especially the control runnability of raising motor, reduction torque wave
Dynamic, motor operation will be more stable.
The folded thickness 2 of sun flute profile formula iron core is equipped with multiple stator tooths, and the teeth portion of each stator tooth is pressed with a monomer
Coiling 5, is equipped with insulation framework 3 on the stator tooth of the folded thickness 2 of sun flute profile formula iron core, insulation framework 3 for securing unit around
Coil 5.Monomer coiling is combined by insulation framework 3 and enameled wire 4, and enameled wire 4 can the maximization of coiling effective area.Pass through insulator
Circuit connection can be completed after direct coiling and from the beginning to the end by direct continuous single line, form uniformly distributed coil, coil is continuous
It is pressed directly into teeth portion after winding, eliminates traditional welding again by needle winding again using circuit board and is assembled into sun flute profile formula again
In the folded thickness 2 of iron core, not only guarantees that stator dimensions precision, good reliability enhance the intensity of iron core, reduce cogging torque, torque arteries and veins
It moves small, runs smoother, improve the power density of motor, while the also mode of different integer slot iron core windings, improve tooth socket
Peak use rate greatly reduces material, process, production human cost, while also providing the unfailing performance of product, and efficiency is fixed
Sub- winding circuit connects more convenient property.Entire line packet is directly pushed into the teeth portion for being fixed on integral type, simple to operate reliable,
Production efficiency is improved, production cost is reduced.
The outer wall of stator tooth is concordant with the outer wall of insulation framework 3, and monomer coiling 5 and insulation framework 3 are with sun flute profile formula
The folded thickness 2 of iron core is set in the folded thickness 1 of ring outside stator core yoke portion, completes complete motor stator.Using integral outer ring and whole
Circle closed slot stator core in vivo, in nested structure, inner-outer sleeve stator is integral type, dimensionally stable inside and outside stator, mechanical essence
Degree is high, and intensity is good, fixes, saves with folded thick 1 fitting of ring outside stator core yoke portion after the teeth portion of stator tooth is directly inserted in after coiling
Shi Shengli, save the cost improve performance, improve the efficiency of work, suitable for mass production, and effective solution copper factor is not high,
The bad problem of mechanical precision.
Stator core provided by the utility model can effectively improve the utilization rate for carrying out stator slot, reduce tooth socket
Torque reduces torque ripple, mentions high control precision, and the motor excellent performance being able to satisfy, and reduces production process, is suitable for work
Factory's automated production, homogeneity of product is more preferable, has saved manually, reduces the investment of equipment, reduces production cost, convenient for large quantities of
Measure mechanization production.
Said stator iron core is only a kind of preferred embodiment, is specifically not limited thereto, on this basis can be according to practical need
It makes having and targetedly adjust, to obtain different embodiments, the folded thickness 1 of ring can pass through outside stator core yoke portion
The riveting point button riveting for laminating multiple core stampings links together, for example 21 segments of connections interval are repeated and laminated together, connection
Securely.The folded thickness 1 of ring is a kind of excellent by laminating the riveting point button riveting of multiple core stampings and connecting outside certain stator core yoke portion
The embodiment of choosing is not that uniquely, can also be connected by the iron core self-adhesion silicon steel punching without riveting point, easy to connect,
It is easily operated.
On the basis of above-mentioned specific embodiment, those skilled in the art can be according to the difference of specific occasion, to fixed
Sub- iron core carries out several changes, and the folded thickness 2 of sun flute profile formula iron core can be connected by laminating the riveting point button riveting of multiple sun tooth punchings
It connects, is connected firmly；It can also be connected by the sun tooth self-adhesion silicon steel punching without riveting point, it is easy to connect, it is all practical new at this
In the protection scope of type.
Obviously, under the guidance of this thought, those skilled in the art can be according to the difference of specific occasion to above-mentioned
Specific embodiment carries out several changes, and the folded thickness 1 of ring and the folded thickness 2 of sun flute profile formula iron core can pass through outside stator core yoke portion
It being pressed directly into, the folded thickness 1 of ring and the folded thickness 2 of sun flute profile formula iron core can also be pressed by hot cover process outside stator core yoke portion,
The folded thickness 1 of ring will be sheathed with monomer coiling 5 too using by external equipment, jig by heating outside stator core yoke portion
The folded thickness 2 of positive flute profile formula iron core is cold-pressed into the folded thickness 1 of ring outside stator core yoke portion, forms complete stator core.Stator core yoke
The fit tolerance of the folded thickness 1 of ring and the folded thickness 2 of sun flute profile formula iron core is 0.015 or so outside portion, fitting contact surface reach 95% with
On, and smoothness requirements reach 1.6 or more, eliminate additional air gap caused by poor contact, it is ensured that stator motor performance.
It is important to note that stator core provided by the utility model is not intended to be limited to such situation, it is anti-
Spin-ended turn, the folded thickness 1 of ring and folded thick 2 suit places of sun flute profile formula iron core outside stator core yoke portion can be using not equal concentric arcs
Cooperate, can also be using bump structure or the engagement of concave point structure or angle-style, after fitting, the folded thickness 2 of sun flute profile formula iron core
The folded thickness 1 of ring is in close contact outside each stator tooth and stator core yoke portion, can smoothly ensure that direction of rotation loosens or rotates
May, guarantee that stator is reliable.
Stator core provided by the utility model, in the immovable situation of other components, sun flute profile formula iron core is folded
The stator tooth of thickness 2 annular array distribution uniform in a circumferential direction, neat and orderly, operation is smoother, improves the function of motor
Rate density.
For the stator core in above-mentioned each embodiment, monomer coiling is combined by insulation framework 3 and enameled wire 4, enamel-cover
Line 4 can the maximization of coiling effective area.Monomer coiling 5 winds enameled wire 4 by positive direction and opposite direction winds enameled wire 4,
Phase coil molding is formed, for example monomer coiling 5 is that a positive direction winds enameled wire 4, completes followed by anti-winding enamel-cover
Line 4 is inserted in folded thick 2 teeth portion of interior sun flute profile formula iron core from outside for by the coil combination of positive and negative coiling.Monomer coiling 5
Can also be by continuous positive direction around first single line packet, then opposite direction is around second single line packet, then again positive direction around
Three single line packets form one and are connected in series coil, then several series coils are connected in parallel molding, eliminate wiring twice, and
And insulating reliability greatly increases, while cost reduces, production efficiency can also be promoted.
The stator core provided in based on the above embodiment, the utility model additionally provide a kind of motor, which includes
Rotor and the stator core matched with rotor, wherein stator core is any one stator core in above-described embodiment.By
The stator core in above-described embodiment is used in the motor, so the beneficial effect of the motor please refers to above-described embodiment.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
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 (9)
1. a kind of stator core of motor, which is characterized in that including ring outside stator core yoke portion folded thick (1) and sun flute profile formula
Iron core is folded thick (2), and the sun flute profile formula iron core folded thick (2) is equipped with multiple stator tooths, and the teeth portion of the stator tooth is pressed with
Monomer coiling (5) is equipped with for fixing the monomer coiling on the stator tooth of the sun flute profile formula iron core folded thick (2)
(5) insulation framework (3), the outer wall of the stator tooth is concordant with the outer wall of the insulation framework (3), the monomer coiling
(5) ring outside stator core yoke portion is set in the sun flute profile formula iron core folded thick (2) and folds thickness with insulation framework (3)
(1) in.
2. stator core according to claim 1, which is characterized in that ring folded thick (1) is logical outside stator core yoke portion
Cross the riveting point button riveting connection for laminating multiple core stampings；Or pass through the iron core self-adhesion silicon steel punching connection without riveting point.
3. stator core according to claim 1, which is characterized in that the sun flute profile formula iron core folded thick (2) passes through folded
The riveting point button riveting of multiple sun tooth punchings is pressed to connect；Or pass through the sun tooth self-adhesion silicon steel punching connection without riveting point.
4. stator core according to claim 1, which is characterized in that outside the stator core yoke portion ring folded thick (1) and
The sun flute profile formula iron core folded thick (2) is by being pressed directly into or hot cover process indentation.
5. stator core according to claim 1, which is characterized in that outside the stator core yoke portion ring folded thick (1) and
The sun flute profile formula iron core folded thick (2) is cooperated using concentric arcs are not waited, bump structure cooperation or angle-style engage cooperation.
6. stator core according to claim 1, which is characterized in that the stator of the sun flute profile formula iron core folded thick (2)
Tooth annular array distribution uniform in a circumferential direction.
7. stator core according to claim 1, which is characterized in that the monomer coiling (5) is wound by positive direction
Enameled wire (4) and opposite direction winding enameled wire (4) form phase coil molding.
8. stator core according to claim 1, which is characterized in that the monomer coiling (5) passes through continuous positive direction
Around first single line packet, then opposite direction is around second single line packet, and then positive direction forms a phase string around third single line packet again
On line circle, then several described series coils are connected in parallel molding.
9. a kind of motor, including rotor and the stator core matched with the rotor, which is characterized in that the stator core
The specially described in any item stator cores of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821730433.2U CN208806659U (en) | 2018-10-24 | 2018-10-24 | A kind of motor and its stator core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821730433.2U CN208806659U (en) | 2018-10-24 | 2018-10-24 | A kind of motor and its stator core |
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| Publication Number | Publication Date |
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| CN208806659U true CN208806659U (en) | 2019-04-30 |
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ID=66239269
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821730433.2U Active CN208806659U (en) | 2018-10-24 | 2018-10-24 | A kind of motor and its stator core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038875A (en) * | 2018-10-24 | 2018-12-18 | 浙江禾川科技股份有限公司 | A kind of motor and its stator core |
-
2018
- 2018-10-24 CN CN201821730433.2U patent/CN208806659U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038875A (en) * | 2018-10-24 | 2018-12-18 | 浙江禾川科技股份有限公司 | A kind of motor and its stator core |
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