CN105356632A - Stator core, manufacturing method and motor - Google Patents
Stator core, manufacturing method and motor Download PDFInfo
- Publication number
- CN105356632A CN105356632A CN201510698761.3A CN201510698761A CN105356632A CN 105356632 A CN105356632 A CN 105356632A CN 201510698761 A CN201510698761 A CN 201510698761A CN 105356632 A CN105356632 A CN 105356632A
- Authority
- CN
- China
- Prior art keywords
- stator core
- stator
- core body
- iron core
- iron
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/02—Details of the magnetic circuit characterised by the magnetic material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/021—Magnetic cores
- H02K15/026—Wound cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
- H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention aims to provide a stator core, which mainly solves the problems of poor strength and easiness in loosening of the existing motor stator core. The stator core comprises a core body made of soft magnetic composite materials and an insulating part coated on the surface of the core body in an injection molding mode. The stator core provided by the invention has the advantages that the insulating part is coated on the surface of the core body made of the soft magnetic material in an injection molding mode, the core body is reinforced and insulated through the insulating part, the strength is high, the use is reliable, the problem that the core body is partially loosened and powder falls off is avoided, in addition, the injection molding mode is adopted, the processing process is simple, and the production cost is reduced. The invention also provides a manufacturing method of the stator core and a motor with the stator core.
Description
Technical field
The present invention relates to machine field, be specifically related to a kind of stator core, this stator core manufacture method and there is the motor of this stator core.
Background technology
The stator core of existing motor as described in Figure 1, is substantially all adopt after punching silicon-steel to be overrided to form, then as shown in Figure 2, at the outside installing insulating skeleton 3 ' of stator core 1 ' and insulation slot 2 ', for coiling stator winding and play insulating effect.Silicon steel sheet cost is higher, and electric machine iron core magnetic is close easily saturated, all there is larger eddy current loss simultaneously.Silicon steel sheet has not had performance, cost advantage as the application of traditional motor material, and in new material development today rapidly, silicon steel material does not have advantage.
Soft-magnetic composite material be a kind of surface have inorganic insulation layer carbonyl iron powder material, electric machine iron core shape can be made after repressed and heat treatment, have the characteristic of high saturated magnetic induction and very low eddy current loss, the iron core application of silicon steel plate stacking has performance and cost advantage originally as an alternative.But the strength of materials of the iron core that this iron powder is compressing is limited, clashing into, the situation that the poor structure division of partial intensities is loose may be there is under vibrating equal-length time conditions, restriction change the application of material motor in compressor industry.
For the problems referred to above, need badly and a kind of new stator core is provided, with the problem that the intensity solving the existence of existing stator core is poor, easily loose.
Summary of the invention
In view of this, the invention provides that a kind of intensity is high, the simple stator core of processing technology.
For reaching this object, the present invention by the following technical solutions:
A kind of stator core, comprises the iron core body be made up of soft-magnetic composite material and is coated on the insulation division on described iron core body surface by injection molding manner.
Preferably, described insulation division comprises the insulating barrier being coated on the described whole surface of iron core body.
Preferably, described insulation division also comprises the insulation framework for coiling stator winding being arranged at described iron core body two ends.
Preferably, described iron core body comprises a tubular structure and is arranged at the multiple stator tooths on the internal perisporium of tubular structure;
The tooth root position that described insulation framework is included in described multiple stator tooth respectively along the outer baffle of the outwardly setting of axis of stator core and in the tooth top position of described multiple stator tooth respectively along the Internal baffle of the outwardly setting of axis of stator core.
Preferably, described insulating barrier and described insulation framework are integrated injection moulding on described iron core body.
The invention provides a kind of manufacture method of said stator iron core, the object of reach Simplified flowsheet, reduce costs, enhancing productivity.
For reaching this object, the present invention by the following technical solutions:
A manufacture method for stator core, described method comprises:
Steps A, employing soft-magnetic composite material prepare described iron core body;
Step B, steps A obtain iron core body surperficial injection moulding described in insulation division.
Preferably, described soft-magnetic composite material is that water smoke is for iron powder, iron sponge powder or iron-based alloyed powder.
Preferably, in stepb, injection or pressure injection mode is adopted to form described insulation division on the surface of described iron core body.
The invention provides a kind of motor adopting said stator iron core, reach the object improving dependability.
For reaching this object, the present invention by the following technical solutions:
A kind of motor, the stator of described motor adopts stator core as above.
The invention has the beneficial effects as follows:
Stator core provided by the invention on the surface of the iron core body be made up of soft magnetic material by injection molding manner coated insulation portion, by insulation division, iron core body is reinforced and insulation processing, intensity is high, use reliable, iron core body is avoided to occur the problem of partial loose dry linting, and adopt injection molding manner processing technology simple, reduce production cost.
The manufacture method of said stator iron core provided by the invention simplifies processing technology, reduces cost, improves production efficiency.
Motor provided by the invention is owing to adopting above-mentioned stator core, and use reliable, processing technology is simple, and cost is low.
Accompanying drawing explanation
By referring to the description of accompanying drawing to the embodiment of the present invention, above-mentioned and other objects, features and advantages of the present invention will be more clear, in the accompanying drawings:
Fig. 1 is the structural representation of existing stator core;
Fig. 2 is the detonation configuration figure of existing stator core and insulation framework and the slot that insulate;
Fig. 3 is the structural representation of the iron core body of the stator core that the specific embodiment of the invention provides;
Fig. 4 is the structural representation of the stator core that the specific embodiment of the invention provides;
Fig. 5 is the manufacture method flow chart of the stator core that the specific embodiment of the invention provides.
In figure, 1 ', stator core; 2 ', insulate slot; 3 ', insulation framework;
11, iron core body; 111, tubular structure; 112, stator tooth; 113, line embedding groove; 12, insulating barrier; 13, insulation framework; 131, outer baffle; 132, Internal baffle.
Embodiment
Based on embodiment, present invention is described below, but the present invention is not restricted to these embodiments.In hereafter details of the present invention being described, detailedly describe some specific detail sections.Do not have the description of these detail sections can understand the present invention completely for a person skilled in the art yet.In order to avoid obscuring essence of the present invention, known method, process, flow process, element do not describe in detail.
The invention provides a kind of stator core, comprise the iron core body 11 be made up of soft-magnetic composite material and be coated on the insulation division on iron core body 11 surface by injection molding manner, by insulation division, iron core body 11 is reinforced and insulation processing, intensity is high, use reliable, avoid iron core body 11 to occur the problem of partial loose dry linting, and adopt injection molding manner processing technology simple, reduce production cost.
Be understandable that, the injection moulding described in the present invention is the concept of a general reference, molten plastic is coated on iron core body 11 surface and then cools the technique of formation insulation division all within the scope of it.
The embodiment of stator core of the present invention is described referring to Fig. 3 and Fig. 4.
Insulation division comprises the insulating barrier 12 being coated on the whole surface of iron core body 11, is encased by iron core body 11 by insulating barrier 12, thus iron core body 11 is formed to the effect of reinforcing and insulating, and prevents iron core body 11 from occurring the situation of loose dry linting.
Further, insulation division also comprise be arranged at iron core body 11 two ends, for the insulation framework 13 of coiling stator winding, insulation framework 13 is also set directly on iron core body 11 by the mode of injection moulding, eliminates the operation of existing installing insulating skeleton, improves production efficiency.
Concrete, as shown in Figure 3, multiple stator tooths 112 that iron core body 11 comprises a tubular structure 111 and is arranged on the inwall of tubular structure 111, stator tooth 112 is along the circumferential direction distributed on the inwall of tubular structure 111, and forms line embedding groove 113 between adjacent stators tooth 112.
As shown in Figure 4, insulation framework 13 be included in multiple stator tooth 112 tooth root position respectively along the outer baffle 131 of the outwardly setting of axis of stator core and in the tooth top position of multiple stator tooth 112 respectively along the Internal baffle 132 of the outwardly setting of axis of stator core.
As a kind of optimal way, insulating barrier 12 and insulation framework 13 are integrated injection moulding on iron core body 11, an injection moulding had both reached the object of reinforcing iron core body 11, define again the insulation framework 13 for coiling stator winding, no longer need the structure such as insulation slot, cover insulation framework, simplify processing technology, reduce production cost, improve properties of product.
For said stator iron core, present invention also offers a kind of manufacture method of stator core, as shown in Figure 5, the method comprises:
Steps A, employing soft-magnetic composite material prepare iron core body 11;
Step B, the surperficial injection moulding insulation division of iron core body 11 obtained in steps A.
In a preferred embodiment, steps A specifically comprises:
Steps A 1, to be imported in rigid die by soft-magnetic composite material powder and carry out compacting formation semi-finished product, pressing pressure is generally 800MPa;
Steps A 2, the semi-finished product formed compacting are heat-treated and are obtained iron core body 11, and temperature general control is at 400 to 600 DEG C.
In a further advantageous embodiment, in stepb, provide the mould identical with stator core profile, adopt the modes such as injection, pressure injection to form insulation division on iron core body 11 surface.
In addition, soft-magnetic composite material is not limit, and has the material of high saturated magnetic induction and very low eddy current loss characteristic, and such as, water smoke is for iron powder, iron sponge powder or iron-based alloyed powder etc.
The manufacture method of stator core, while not affecting stator core performance, simplifies processing technology, reduces cost, improve production efficiency.
For said stator iron core, present invention also offers a kind of motor, the stator of this motor adopts above-mentioned stator core, improves the performance of motor, simplify production technology from material aspect, adopts new production process to solve a large amount of problem used of restriction.
In addition, it should be understood by one skilled in the art that the accompanying drawing provided at this is all for illustrative purposes, and accompanying drawing is not necessarily drawn in proportion.
Meanwhile, should be appreciated that example embodiment is provided, to make the disclosure be comprehensive, and its scope is fully conveyed to those skilled in the art.A lot of specific detail (such as the example of particular elements, equipment and method) is presented to provide thorough understanding of the disclosure.It will be apparent to one skilled in the art that and do not need to adopt specific detail, example embodiment can be implemented with much different forms, and example embodiment should not be understood to limit the scope of the present disclosure.In some example embodiments, well-known device structure and well-known technology are not described in detail.
When an element or layer be mentioned as another element or layer " on ", " being engaged to ", " being connected to " or " being coupled to " another element or layer time, its can directly on another element or layer, directly engaged, connected or be connected to another element or layer, or intermediary element or layer can be there is.By contrast, when an element be mentioned as " directly " another element or layer " on ", " being directly engaged to ", " being directly connected to " or " being directly coupled to " another element or layer time, intermediary element or layer can not be there is.Other word for describing relation between element should be explained in a similar manner (such as, " between " and " directly between ", " vicinity " and " being directly close to " etc.).As used herein, term "and/or" comprises arbitrary in the Listed Items of one or more association or all combines.
Although term first, second, third, etc. can be used to describe each element, parts, region, layer and/or section at this, these elements, parts, region, layer and/or section should not limited by these terms.These terms can only for distinguishing element, parts, region, layer or a section and another element, region, layer or section.The term of such as " first ", " second " and other numerical value term when not meaning that order or sequentially when this uses, unless context explicitly points out.Thus, the first element discussed below, parts, region, layer or section can be called as the second element, parts, region, layer or section, and do not deviate from the instruction of example embodiment.In addition, in describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, to those skilled in the art, the present invention can have various change and change.All do within spirit of the present invention and principle any amendment, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a stator core, is characterized in that: comprise the iron core body (11) be made up of soft-magnetic composite material and be coated on the insulation division on described iron core body (11) surface by injection molding manner.
2. stator core according to claim 1, is characterized in that: described insulation division comprises the insulating barrier (12) being coated on the whole surface of described iron core body (11).
3. stator core according to claim 2, is characterized in that: described insulation division also comprises the insulation framework for coiling stator winding (13) being arranged at described iron core body (11) two ends.
4. stator core according to claim 3, is characterized in that: described iron core body (11) comprises a tubular structure (111) and is arranged at the multiple stator tooths (112) on the internal perisporium of tubular structure (111);
The tooth root position that described insulation framework (13) is included in described multiple stator tooth (112) respectively along the outer baffle (131) of the outwardly setting of axis of stator core and in the tooth top position of described multiple stator tooth (112) respectively along the Internal baffle (132) of the outwardly setting of axis of stator core.
5. the stator core according to claim 3 or 4, is characterized in that: described insulating barrier (12) and described insulation framework (13) are integrated injection moulding on described iron core body (11).
6. a manufacture method for stator core, is characterized in that, described method comprises:
Steps A, employing soft-magnetic composite material prepare described iron core body (11);
Step B, steps A obtain iron core body (11) surperficial injection moulding described in insulation division.
7. the manufacture method of stator core according to claim 6, is characterized in that: described soft-magnetic composite material is that water smoke is for iron powder, iron sponge powder or iron-based alloyed powder.
8. the manufacture method of stator core according to claim 6, is characterized in that: in stepb, adopts injection or pressure injection mode to form described insulation division on the surface of described iron core body (11).
9. a motor, is characterized in that: the stator of described motor adopts the stator core as described in any one of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510698761.3A CN105356632A (en) | 2015-10-22 | 2015-10-22 | Stator core, manufacturing method and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510698761.3A CN105356632A (en) | 2015-10-22 | 2015-10-22 | Stator core, manufacturing method and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105356632A true CN105356632A (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510698761.3A Pending CN105356632A (en) | 2015-10-22 | 2015-10-22 | Stator core, manufacturing method and motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN105356632A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253535A (en) * | 2016-08-19 | 2016-12-21 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of insulation framework, motor stator and motor |
| CN106816974A (en) * | 2017-02-27 | 2017-06-09 | 百恒石油装备有限公司 | A kind of slip frequency-conversion and speed-regulation motor high for driving beam pumping unit |
| CN110034626A (en) * | 2019-05-16 | 2019-07-19 | 东莞新东华五金塑胶配件有限公司 | A kind of stator core insulation structure |
| CN110391711A (en) * | 2018-04-23 | 2019-10-29 | 三花亚威科电器设备（芜湖）有限公司 | Stator module and preparation method thereof |
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| CN204103620U (en) * | 2014-09-28 | 2015-01-14 | 江西磁姆新材料科技有限公司 | A kind of insolated stator core combining structure |
| CN104426253A (en) * | 2013-09-10 | 2015-03-18 | 峰岹科技（深圳）有限公司 | High-power-density motor stator iron core structure and motor using motor stator iron core structure |
| CN204304637U (en) * | 2014-12-16 | 2015-04-29 | 常州乐士雷利电机有限公司 | The motor of insulation framework and employing insulation framework |
| CN205051458U (en) * | 2015-10-22 | 2016-02-24 | 珠海凌达压缩机有限公司 | Stator core and motor |
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| CN201590731U (en) * | 2009-12-18 | 2010-09-22 | 合肥荣事达三洋电器股份有限公司 | Stator insulated device used for motor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253535A (en) * | 2016-08-19 | 2016-12-21 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of insulation framework, motor stator and motor |
| CN106253535B (en) * | 2016-08-19 | 2019-05-28 | 珠海格力电器股份有限公司 | Insulating skeleton, motor stator and motor |
| CN106816974A (en) * | 2017-02-27 | 2017-06-09 | 百恒石油装备有限公司 | A kind of slip frequency-conversion and speed-regulation motor high for driving beam pumping unit |
| CN106816974B (en) * | 2017-02-27 | 2023-03-21 | 百恒石油装备有限公司 | High slip frequency-variable speed-regulating motor for driving beam-pumping unit |
| CN110391711A (en) * | 2018-04-23 | 2019-10-29 | 三花亚威科电器设备（芜湖）有限公司 | Stator module and preparation method thereof |
| CN110391711B (en) * | 2018-04-23 | 2021-08-24 | 三花亚威科电器设备（芜湖）有限公司 | Stator assembly and preparation method thereof |
| CN110034626A (en) * | 2019-05-16 | 2019-07-19 | 东莞新东华五金塑胶配件有限公司 | A kind of stator core insulation structure |
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Application publication date: 20160224 |
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