CN109742912A - A method for preparing a stator core with a high lamination coefficient and a stator core - Google Patents
A method for preparing a stator core with a high lamination coefficient and a stator core Download PDFInfo
- Publication number
- CN109742912A CN109742912A CN201910064820.XA CN201910064820A CN109742912A CN 109742912 A CN109742912 A CN 109742912A CN 201910064820 A CN201910064820 A CN 201910064820A CN 109742912 A CN109742912 A CN 109742912A
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- China
- Prior art keywords
- stator core
- insulating layer
- stator
- stacking factor
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000003475 lamination Methods 0.000 title 1
- 238000004080 punching Methods 0.000 claims abstract description 49
- 238000002360 preparation method Methods 0.000 claims abstract description 36
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 16
- 238000010030 laminating Methods 0.000 claims abstract description 11
- 230000010355 oscillation Effects 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims description 27
- 239000011248 coating agent Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 14
- WMYWOWFOOVUPFY-UHFFFAOYSA-L dihydroxy(dioxo)chromium;phosphoric acid Chemical compound OP(O)(O)=O.O[Cr](O)(=O)=O WMYWOWFOOVUPFY-UHFFFAOYSA-L 0.000 claims description 13
- 239000004568 cement Substances 0.000 claims description 11
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 230000004907 flux Effects 0.000 abstract description 5
- 239000012634 fragment Substances 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 51
- 238000004519 manufacturing process Methods 0.000 description 13
- 239000013068 control sample Substances 0.000 description 10
- 239000000523 sample Substances 0.000 description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 8
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 2
- DJLCOAPFZCDZQW-UHFFFAOYSA-N chromium phosphoric acid Chemical compound [Cr].OP(O)(O)=O DJLCOAPFZCDZQW-UHFFFAOYSA-N 0.000 description 2
- 238000009422 external insulation Methods 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
Landscapes
- Manufacture Of Motors, Generators (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention relates to motor component technical fields, more particularly, to a kind of high stacking factor stator core preparation method and stator core.Include the following steps: to prepare that multiple two sides are coated with the stator punching of insulating layer and multiple two sides are not coated with the stator punching of insulating layer；Wherein, each thickness of insulating layer is identical；It is in oscillation sorting by the stator punching that multiple two sides are coated with the stator punching of insulating layer and multiple two sides are not coated with insulating layer, and high stacking factor stator core is made by laminating technique.The purpose of the present invention is to provide a kind of high stacking factor stator core preparation method and stator cores, the stator core as made from high stacking factor stator core preparation method is equipped with insulating layer with the upper and lower surfaces for solving silicon steel fragment existing in the prior art, it laminates in one, circumferentially length cannot be utilized effectively stator core, stacking factor is small, and then the technical issues of the loss of increase alternating flux.
Description
Technical field
The present invention relates to motor component technical fields, more particularly, to a kind of high stacking factor stator core preparation method
And stator core.
Background technique
Important materials of the silicon steel sheet as motor, are widely used on stator and rotor core, as the weight for constituting magnetic circuit
Want component part, the carrier that magnetic field is passed to.Alternating current generator generates alternating flux in silicon steel sheet, can generate vortex, final to generate
Consume.Although this vortex can not be to avoid, can weaken, since the path of vortex is bigger, the loss of generation is bigger, because
This, can reduce loss by reducing the path of circulation.
Existing technology is to apply insulating layer respectively by silicon steel fragment, and by the upper and lower surfaces of each silicon steel fragment,
Then the silicon steel sheet stack that the upper and lower surfaces of several pieces same shapes are coated with insulating layer is forced together, ultimately forms stator
Iron core, the stator core of formation include multiple silicon steel lamellas, and silicon steel sheet interlayer is at least provided with dielectric layers.Thus existing to ask
Topic is that circumferentially length cannot be utilized effectively stator core, and there are stacking factor, (circumferentially length needs stacking factor, that is, iron core
Will effective use length multiplied by a coefficient as motor, effective length just really constitutes the channel of magnetic circuit) small problem, into
And increase the loss of alternating flux.
Therefore, the present invention is badly in need of providing a kind of high stacking factor stator core preparation method and stator iron regarding to the issue above
Core.
Summary of the invention
The purpose of the present invention is to provide a kind of high stacking factor stator core preparation method and stator cores, folded by height
Pressure coefficient stator core preparation method made from stator core with solve silicon steel fragment existing in the prior art upper surface and
Lower surface is equipped with insulating layer, laminates in one, and circumferentially length is short for stator core, and stacking factor is small, and then increases alternation magnetic
The technical issues of logical loss.
A kind of preparation method of high stacking factor stator core provided by the invention, includes the following steps:
Prepare that multiple two sides are coated with the stator punching of insulating layer and multiple two sides are not coated with the stator punching of insulating layer；Its
In, each thickness of insulating layer is identical；
Multiple two sides are coated with the stator punching of insulating layer and the stator punching that multiple two sides are not coated with insulating layer is in replace
Sequence, and high stacking factor stator core is made by laminating technique.
Preferably, stator punching material is silicon steel.
Preferably, insulating layer with a thickness of 0.005mm-0.015mm.
Preferably, the material of insulating layer include in phosphoric acid-chromic acid system coating, resin-chromic acid system coating or insulating cement extremely
Few one kind.
The invention also includes a kind of preparation methods of high stacking factor stator core, include the following steps:
Prepare the stator punching that multiple sides are coated with insulating layer；Wherein, each thickness of insulating layer is identical；
The stator punching that multiple sides are coated with insulating layer is successively sequentially sorted, and is by laminating technique and height being made and laminates
Number stator core.
Preferably, stator punching material is silicon steel.
Preferably, insulating layer with a thickness of 0.005mm-0.015mm.
Preferably, the material of insulating layer include in phosphoric acid-chromic acid system coating, resin-chromic acid system coating or insulating cement extremely
Few one kind.
The invention also includes a kind of stator core, the system based on the high stacking factor stator core as described in any among the above
Preparation Method is made.
The invention also includes a kind of stator core, the system based on the high stacking factor stator core as described in any among the above
Preparation Method is made.
A kind of high stacking factor stator core preparation method provided by the invention and stator core have compared with prior art
There is following progress:
1, stator core made from the preparation method of high stacking factor stator core provided by the invention, is not influencing to insulate
Under conditions of performance, the stacking factor of stator core can be improved, the axial effective length of stator core increases, and then improves electricity
The density of machine power reduces the dosage of coatings, reduces the production cost of stator core.
2, the preparation method of high stacking factor stator core provided by the invention can shorten the production cycle of stator core,
Improve production efficiency.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the step block diagram of high stacking factor stator core preparation method described in embodiment one；
Fig. 2 is the structural schematic diagram of stator core described in embodiment one；
Fig. 3 is the step block diagram of high stacking factor stator core preparation method described in embodiment two；
Fig. 4 is the structural schematic diagram of stator core described in embodiment two；
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one
As shown in Figure 1, present embodiments providing a kind of preparation method of high stacking factor stator core, including walk as follows
It is rapid:
S1) prepare that multiple two sides are coated with the stator punching of insulating layer and multiple two sides are not coated with the stator punching of insulating layer；
Wherein, each thickness of insulating layer is identical；
S2) stator punching that multiple two sides are coated with the stator punching of insulating layer and multiple two sides are not coated with insulating layer is submitted
For sequence, and high stacking factor stator core is made by laminating technique.
Specifically, stator punching material is silicon steel, prepared using silicon steel sheet；Insulating layer with a thickness of 0.005mm-
0.015mm, the preferred insulating layer of the present embodiment with a thickness of 0.01mm, guarantee insulation performance；The material of insulating layer includes phosphoric acid-chromium
Acid system coating, resin-at least one of chromic acid system coating or insulating cement, specifically preferred phosphoric acid-chromic acid system applies the present embodiment
Material is coated on the upper and lower surfaces of multiple stator punchings, and two sides are coated with phosphoric acid-chromic acid system coating stator punching and two sides not
The stator punching for applying insulating layer is in oscillation sorting, and high stacking factor stator core is made by laminating technique.
As shown in Fig. 2, present invention offer additionally provides a kind of stator core, it is fixed based on high stacking factor as described above
The preparation method of sub- iron core is made；Including multiple in the stator punching layer 1 being arranged successively, two-by-two between adjacent stator punching layer 1
It is equipped with the identical inner insulating layer 2 of thickness, the lateral surface of the stator punching layer 1 of the leftmost side and the rightmost side is equipped with and inner insulating layer
The identical external insulation layer 3 of 2 thickness.
Traditional approach prepares control sample 1, and the specific steps are choose multiple upper and lower surfaces to be coated with phosphoric acid-chromium
The stator punching of acid system coating, each phosphoric acid-chromic acid system coating figure layer thickness is identical, successively sorts, is obtained by laminating technique
Traditional stator core.
Method according to the present embodiment prepares sample 1, and the specific steps are choose multiple stator punchings, the punching of selected part stator
Piece, in the equal spin coating phosphoric acid of the upper and lower surfaces of stator punching-chromic acid system coating, (thickness of insulating layer is exhausted with control sample 1
Edge layer thickness is identical), then the stator punching of multiple naked layers is chosen, by two-sided stator punching and naked with insulating layer
The stator punching of layer is in oscillation sorting, and high stacking factor stator core is made by laminating technique.
It is shown in Table 1, measures the stacking factor of control sample 1 and sample 1, the stacking factor of control sample 1 is 0.95, sample 1
Stacking factor be 0.97, the stator core being prepared by the method for the invention, stacking factor significantly improves, to be conducive to
Reduce the loss of alternating flux.
It is shown in Table 1, phosphoric acid-chromic acid system coating dosage of control sample 1 is 0.5Kg；1 phosphoric acid of sample-chromic acid system coating
Dosage is 0.25Kg, reduces phosphoric acid-chromic acid system coating dosage, production cost is greatly saved.
The preparation method of high stacking factor stator core provided by the invention is not influencing compared with traditional preparation method
Under conditions of insulation performance, the high stacking factor of stator core can be mentioned, the axial effective length of stator core increases, and it is fixed to reduce
The production cost of sub- iron core, and then improve the density of power of motor.
Embodiment two
The present invention provides a kind of preparation methods of high stacking factor stator core, include the following steps:
S101 the stator punching that multiple sides are coated with insulating layer) is prepared；Wherein, each thickness of insulating layer is identical；
S102) stator punching that multiple sides are coated with insulating layer is successively sequentially sorted, and height is made by laminating technique
Stacking factor stator core.
Specifically, stator punching material is silicon steel；Insulating layer with a thickness of 0.005mm-0.015mm, the present embodiment is preferred
Insulating layer with a thickness of 0.01mm, guarantee insulation performance；The material of insulating layer includes phosphoric acid-chromic acid system coating, resin-chromic acid system
At least one of coating or insulating cement, specifically preferred phosphoric acid-chromic acid system coating is coated under stator punching the present embodiment
Surface.
Present invention offer additionally provides a kind of stator core, the system based on high stacking factor stator core as described above
Preparation Method is made；Including multiple in the stator punching layer 101 being arranged successively, it is equipped between adjacent stator punching layer 101 two-by-two
The identical inner insulating layer 102 of thickness, wherein 101 lateral surface of stator punching layer by right end is equipped with and 102 thickness of inner insulating layer
Identical external insulation layer 103.
Multiple stator punchings are chosen in the preparation of sample 2, and the side of multiple stator punchings is coated phosphoric acid-chromic acid system coating,
The stator punching that multiple sides are coated with insulating layer is arranged successively, is arranged so that being equipped with a layer insulating mode between two stator punchings
Column, and high stacking factor stator core is made by laminating technique.
2 are shown in Table, control sample 1 and sample 2 measure stacking factor, and the stacking factor of control sample 1 is 0.95, sample 2
Stacking factor is 0.97, and the stacking factor of stator core prepared by the present invention significantly improves as a result, to advantageously reduce alternation
The loss of magnetic flux.
2 are shown in Table, 2 phosphoric acid of control sample-chromic acid system coating dosage is 0.5Kg；2 phosphoric acid of sample-chromic acid system coating use
Amount is 0.25Kg, reduces the dosage of insulating cement, production cost is greatly saved.
The preparation method of high stacking factor stator core provided by the invention is not influencing compared with traditional preparation method
Under conditions of insulation performance, the high stacking factor of stator core can be mentioned, the axial effective length of stator core increases, and it is fixed to reduce
The production cost of sub- iron core, and then improve the density of power of motor.
2 are shown in Table, since each stator punching is One-sided coatings phosphoric acid-chromic acid system coating, the production of sample 2 is all as a result,
Phase, the production cycle shortened half compared with the production cycle of control sample 1, simplifies production technology, improves production efficiency.
The stacking factor and insulating cement dosage of stator core in 1 embodiment one of table
| Stator core | Stacking factor | Insulating cement dosage (Kg) |
| Control sample 1 | 0.95 | 0.5 |
| Sample 1 | 0.97 | 0.25 |
Stacking factor, insulating cement dosage and the manufacturing cycle of stator core in 2 embodiment two of table
| Stator core | Stacking factor | Insulating cement dosage (Kg) | Coating arid cycle (day) |
| Control sample 1 | 0.95 | 0.5 | 30 |
| Sample 2 | 0.97 | 0.25 | 15 |
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of preparation method of high stacking factor stator core, characterized by the following steps:
Prepare that multiple two sides are coated with the stator punching of insulating layer and multiple two sides are not coated with the stator punching of insulating layer；Wherein, respectively
Thickness of insulating layer is identical；
It is in oscillation sorting by the stator punching that multiple two sides are coated with the stator punching of insulating layer and multiple two sides are not coated with insulating layer,
And high stacking factor stator core is made by laminating technique.
2. the preparation method of high stacking factor stator core according to claim 1, it is characterised in that: stator punching material
For silicon steel.
3. the preparation method of high stacking factor stator core according to claim 2, it is characterised in that: the thickness of insulating layer
For 0.005mm-0.015mm.
4. the preparation method of high stacking factor stator core according to claim 3, it is characterised in that: the material of insulating layer
Including phosphoric acid-chromic acid system coating, resin-at least one of chromic acid system coating or insulating cement.
5. a kind of preparation method of high stacking factor stator core, characterized by the following steps:
Prepare the stator punching that multiple sides are coated with insulating layer；Wherein, each thickness of insulating layer is identical；
The stator punching that multiple sides are coated with insulating layer is successively sequentially sorted, and that high stacking factor is made is fixed by laminating technique
Sub- iron core.
6. the preparation method of high stacking factor stator core according to claim 5, it is characterised in that: stator punching material
For silicon steel.
7. the preparation method of high stacking factor stator core according to claim 6, it is characterised in that: the thickness of insulating layer
For 0.005mm-0.015mm.
8. the preparation method of high stacking factor stator core according to claim 7, it is characterised in that: the material of insulating layer
Including phosphoric acid-chromic acid system coating, resin-at least one of chromic acid system coating or insulating cement.
9. a kind of stator core, it is characterised in that: based on the high stacking factor stator core as described in any in claim 1-4
Preparation method be made.
10. a kind of stator core, it is characterised in that: based on the high stacking factor stator iron as described in any in claim 5-8
The preparation method of core is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910064820.XA CN109742912A (en) | 2019-01-23 | 2019-01-23 | A method for preparing a stator core with a high lamination coefficient and a stator core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910064820.XA CN109742912A (en) | 2019-01-23 | 2019-01-23 | A method for preparing a stator core with a high lamination coefficient and a stator core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109742912A true CN109742912A (en) | 2019-05-10 |
Family
ID=66365859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910064820.XA Pending CN109742912A (en) | 2019-01-23 | 2019-01-23 | A method for preparing a stator core with a high lamination coefficient and a stator core |
Country Status (1)
| Country | Link |
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| CN (1) | CN109742912A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114709986A (en) * | 2022-06-02 | 2022-07-05 | 南通特美特工具有限公司 | Integrated forming process for motor rotor iron core |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0919090A (en) * | 1995-06-29 | 1997-01-17 | Sawafuji Electric Co Ltd | Laminated iron core for rotating electric machine and manufacturing method thereof |
| JP2006230054A (en) * | 2005-02-15 | 2006-08-31 | Mitsubishi Electric Corp | Electric motor, electric motor manufacturing method, hermetic compressor, and refrigeration air conditioner |
| JP2010057221A (en) * | 2008-08-26 | 2010-03-11 | Mitsubishi Electric Corp | Rotary electric machine, its stator core, and method for manufacturing stator core |
| JP2016051898A (en) * | 2014-08-28 | 2016-04-11 | サムソン エレクトロ−メカニックス カンパニーリミテッド． | Stacked core and method of manufacturing the same |
| CN209217810U (en) * | 2019-01-23 | 2019-08-06 | 北斗航天汽车（北京）有限公司 | A kind of stator core and motor with high stacking factor |
-
2019
- 2019-01-23 CN CN201910064820.XA patent/CN109742912A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0919090A (en) * | 1995-06-29 | 1997-01-17 | Sawafuji Electric Co Ltd | Laminated iron core for rotating electric machine and manufacturing method thereof |
| JP2006230054A (en) * | 2005-02-15 | 2006-08-31 | Mitsubishi Electric Corp | Electric motor, electric motor manufacturing method, hermetic compressor, and refrigeration air conditioner |
| JP2010057221A (en) * | 2008-08-26 | 2010-03-11 | Mitsubishi Electric Corp | Rotary electric machine, its stator core, and method for manufacturing stator core |
| JP2016051898A (en) * | 2014-08-28 | 2016-04-11 | サムソン エレクトロ−メカニックス カンパニーリミテッド． | Stacked core and method of manufacturing the same |
| CN209217810U (en) * | 2019-01-23 | 2019-08-06 | 北斗航天汽车（北京）有限公司 | A kind of stator core and motor with high stacking factor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114709986A (en) * | 2022-06-02 | 2022-07-05 | 南通特美特工具有限公司 | Integrated forming process for motor rotor iron core |
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