CN104682584A - Split stator of permanent magnet motor and manufacturing method of split stator - Google Patents
Split stator of permanent magnet motor and manufacturing method of split stator Download PDFInfo
- Publication number
- CN104682584A CN104682584A CN201410468769.6A CN201410468769A CN104682584A CN 104682584 A CN104682584 A CN 104682584A CN 201410468769 A CN201410468769 A CN 201410468769A CN 104682584 A CN104682584 A CN 104682584A
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- Prior art keywords
- split stator
- iron core
- magneto
- split
- stator iron
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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
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention relates to a split stator of a permanent magnet motor. The split stator of the permanent magnet motor comprises a split stator core and a coil, wherein the coil is wound in the split stator core. The split stator of the permanent magnet motor further comprises fastening rings. The split stator core consists of at least three pieces through assembling, and each piece thereon is provided with complete teeth, a complete groove and half grooves; the stator core is tightly hooped through the fastening rings; the split stator of the permanent magnet motor is arranged to be of the shape of a cylinder of which the diameter of a base circle is smaller than the length. The split stator of the permanent magnet motor can solve the problems that the coil winding in the manufacturing process of the traditional stator core is difficult, the end portion of a winding is long, the manufacturing cost is high, the amount of heat produced by a coil is great, and the motor efficiency is low and it is not beneficial to long-time reliable operation, and can be widely applied to permanent magnet brushless direct-current motors or permanent magnet synchronous motors; the manufacturing and assembling process of the split stator of the permanent magnet motor is simple, the structure is compact, the tooth groove torque is small, and the end portion of the winding is short; the resistance is small, the heat loss is small, the efficiency is high, the maintenance is convenient to perform, and the operation is reliable.
Description
Technical field
The invention belongs to technical field of motors, relate to a kind of magneto split stator, particularly relate to a kind of petroleum industry, Aero-Space or power domain of being applicable to, or be applicable to magneto split stator and the manufacture method thereof that measurement equipment is bored in down-hole.
Background technology
Magneto be the magnetic field that produces with permanent magnet according to the law of electromagnetic induction for medium, realize a kind of calutron of energy converting between mechanical; Compared with traditional electro-magnetic motor, it is simple that magneto has structure, and the advantages such as reliability is high, and volume is little, lightweight, efficiency is high, temperature rise is low, are widely used in the every field of national product; Along with the development of high performance permanent magnetic materials, magneto replaces traditional electro-magnetic motor gradually with its superior performance, is widely used in fields such as petroleum industry, Aero-Space, electric power.Magneto mainly comprises stators and rotators two large divisions.The stator structure of conventional permanent magnet motor mainly comprises the parts such as stator core, winding coil, insulation system; Wherein stator core is the vitals of magneto, the silicon steel that magnetic property is good selected usually by its material, its conventional fabrication processes first silicon steel plate is gone out dentation ring plate according to the direct stamping-out of iron core shape, and weld after closed assembly, after stator core is shaping, entirety rolls off the production line; For conventional flat type magneto, this manufacturing process can satisfy the demands.But requiring in very harsh environment to bulk, as the field such as Aero-Space, petroleum industry, have strict demand to radial and axial dimension, magneto can only adopt slender structure; Under this requirement, traditional stator core manufacturing process rolls off the production line difficulty, winding terminal minister, and manufacturing cost is high, and the heat that coil produces is large, and electric efficiency is low, reliability service when being unfavorable for long.For this reason, a kind of magneto split stator that can solve the problem and manufacture method thereof is needed, to meet the needs of actual conditions.
Summary of the invention
The object of the invention is to, a kind of magneto split stator and manufacture method thereof are provided, to solve the problems referred to above existing in prior art, meet the needs of actual conditions.
For achieving the above object, one aspect of the present invention provides a kind of magneto split stator, comprise split stator iron core and coil, described coil winding is unshakable in one's determination inner at split stator, also comprise dead ring, described split stator iron core is assemblied to form by least three lobes, each lobe is all respectively equipped with complete tooth, complete groove and half groove; Described stator core is by dead ring banding; Described magneto split stator is set to end circular diameter and is less than the cylindrical of length.
In above scheme preferably, the draw ratio of described magneto split stator, the i.e. ratio of length and end circular diameter are 6:1.
Can also preferably, described split stator iron core is made up of three lobes, and each lobe is equipped with two complete teeth, a complete groove and two and half grooves.
Can also be preferably, the outside of each lobe of described split stator iron core is set to the arc cylinder week of 1/3rd circumference, be set to the arc inner periphery of 1/3rd concentric with it circumference inside it, the cross section that described excircle and inner periphery are combined to form is covering of the fan shape.
Can also preferably, the excircle place of each lobe of described split stator iron core is provided with down " recessed " font notch.
Can also preferably, the one end at the excircle place of each lobe of described split stator iron core is provided with assembling boss, and the other end is provided with assembling groove with matching.
Can also preferably, the end position place that described core tooth is positioned at inner periphery is provided with groove.
Can also preferably, the quantity of described dead ring is two, is separately positioned on the end positions place of split stator iron core.
Another aspect of the present invention provides a kind of manufacture method of magneto split stator, the silicon steel sheet of sufficient amount is first prepared according to the axial length of split stator iron core, again according to the shape of each lobe split stator iron core by shaping for silicon steel sheet metal blanking, the left end of silicon steel sheet is made to stretch out an assembling boss, right-hand member leaves the identical assembling groove with step shape, so that the split stator location use when being assembled into entirety unshakable in one's determination; Weld seam is left at the E Bu center of described silicon steel sheet, for welding; Bottom the tooth of described silicon steel sheet, namely inner periphery place, has groove, stator laminate and integral assembling time play location and fastening effect; Alignd by silicon steel sheet tooth crest groove by special tooling, entirety laminates, then is welded along allowance weld, forms each lobe of split stator iron core; After split stator iron core is shaping, after its teeth portion respectively lower good line, then split stator iron core is assembled into one-piece stator iron core.
In above scheme preferably, by two dead rings by assembled good stator core banding together.
Compared with prior art, the present invention has the following advantages:
A kind of magneto split stator of the present invention and manufacture method thereof, can solve the problem of reliability service when stator core manufacturing process traditional in prior art rolls off the production line that the heat that difficulty, winding terminal minister, manufacturing cost are high, coil produces is large, electric efficiency is low and be unfavorable for long, it can be widely used in permanent-magnet brushless DC electric machine or permagnetic synchronous motor; This magneto split stator manufacture and assembly technology simple, compact conformation, cogging torque is little, and winding overhang is short; Due to coil, to compare traditional stator shorter, and its resistance is little, and thermal losses is little, and efficiency is high, easy to maintenance, and reliability service when can ensure Permanent Magnet and Electric captain under limited-space environment, is specially adapted to the petroleum industry and the Aero-Space magneto that volume are had to rigors; Solve design, a processing difficult problem that particular surroundings requires lower slender type motor; Its split stator adopts segmentation to roll off the production line, and can effectively reduce end winding length, significantly improve electric efficiency; Its split stator adopts three-clove style segmental structure, manufacture, roll off the production line and assembly technology very simple, can effectively reduce costs.Also make to safeguard simple possible, improve motor maintainability; Its distinguish electronics stator core, by fluting and processing step, makes to assemble simple possible, also can reduce motor cogging torque.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the invention will be further described:
Fig. 1 is the structural representation of magneto split stator of the present invention;
Fig. 2 is the A-A profile of the magneto split stator in Fig. 1;
Fig. 3 is the structural representation of the silicon steel sheet of magneto split stator of the present invention;
Fig. 4 is the structural representation of each lobe of the split stator iron core of magneto split stator of the present invention;
Fig. 5 is the overall structure schematic diagram of the split stator iron core of magneto split stator of the present invention.
In figure, 1 is dead ring, and 2 is coil, and 3 is that split stator is unshakable in one's determination.
Embodiment
In order to understand the present invention better, below in conjunction with specific embodiment, the present invention is explained in detail.But, obviously can carry out different modification and remodeling to the present invention and not exceed the wider spirit and scope of the present invention of appended claims.Therefore, following examples have exemplary and hard-core implication.
Embodiment 1:
A kind of magneto split stator, comprise split stator unshakable in one's determination 3 and coil 2, the winding of described coil 2 is inner at split stator unshakable in one's determination 3, also comprises dead ring 1, described split stator iron core 3 is assemblied to form by least three lobes, each lobe is all respectively equipped with complete tooth, complete groove and half groove; Described stator core is by dead ring 1 banding; Described magneto split stator is set to end circular diameter and is less than the cylindrical of length.
Embodiment 2:
A kind of magneto split stator, similar to embodiment 1, difference is, described split stator iron core 3 is made up of three lobes, and each lobe is equipped with two complete teeth, a complete groove and two and half grooves; The outside of each lobe of described split stator iron core 3 is set to the arc cylinder week of 1/3rd circumference, and be set to the arc inner periphery of 1/3rd concentric with it circumference inside it, the cross section that described excircle and inner periphery are combined to form is covering of the fan shape; The excircle place of each lobe of described split stator iron core 3 is provided with down " recessed " font notch; The one end at the excircle place of each lobe of described split stator iron core 3 is provided with assembling boss, and the other end is provided with assembling groove with matching; The end position place that described core tooth is positioned at inner periphery is provided with groove.
Embodiment 3:
A kind of magneto split stator, similar to embodiment 2, difference is, the quantity of described dead ring 1 is two, is separately positioned on the end positions place of split stator iron core 3.The draw ratio of described magneto split stator, the i.e. ratio of length and end circular diameter are 6:1.
Embodiment 4:
A kind of manufacture method of magneto split stator, the silicon steel sheet of sufficient amount is first prepared according to the axial length of split stator iron core 3, again according to the shape of each lobe split stator iron core 3 by shaping for silicon steel sheet metal blanking, the left end of silicon steel sheet is made to stretch out a rectangle assembling boss, right-hand member leaves the identical rectangle assembling groove with rectangular step shape, so that split stator iron core 3 locates use when being assembled into entirety; Weld seam is left at the E Bu center of described silicon steel sheet, for welding; Bottom the tooth of described silicon steel sheet, namely inner periphery place, has rectangular channel, stator laminate and integral assembling time play location and fastening effect; Alignd by silicon steel sheet tooth crest rectangular channel by special tooling, entirety laminates, then is welded along allowance weld, forms each lobe of split stator iron core 3; After split stator iron core 3 is shaping, after its teeth portion respectively lower good line, then split stator iron core 3 is assembled into one-piece stator iron core.
Embodiment 5:
A manufacture method for magneto split stator, similar to embodiment 4, difference is, by two dead rings 1 by assembled good stator core banding together.
Magneto split stator of the present invention and manufacture method thereof, its three split stator iron cores 3 are combined into an one-piece stator iron core, and by dead ring 1 banding, coil 2 is around in core slots.Conventional motors manufacturing method for stators is by after shaping for stator core integral solder, roll off the production line in entirety, slender type motor under particular surroundings is required, because motor is long and narrow, frock and craft all not easily enter stator core endoporus, bringing extreme difficulty, even causing and cannot roll off the production line to rolling off the production line, its complex process, manufacture and assembly cost high; Slender type magneto split stator of the present invention, its lower space of lines is open, easily can roll off the production line on request, while difficulty is rolled off the production line in reduction, also effectively can shorten coil 2 tip lengths, improve electric efficiency; Split stator 3 endoporus unshakable in one's determination have sulculus, have both played technique fixation, also can reduce motor cogging torque; The invention solves slender type magneto split stator designing technique.When silicon steel sheet manufactures, first according to each lobe iron core shape by shaping for silicon steel sheet metal blanking, as shown in Figure 3, the left end of silicon steel sheet stretches out a rectangular step, right-hand member leaves the identical rectangular channel with step shape, use to locate when split stator iron core 3 is assembled into entirety, the machining accuracy of step and groove needs strict control herein, does not have gap when both guarantees are assembled; Silicon steel sheet E Bu leaves weld seam in center, for welding.Have rectangular channel bottom silicon steel sheet tooth, stator laminate and integral assembling time play location and fastening effect; After split stator iron core 3 is shaping, after its teeth portion respectively lower good line, then three split stator iron cores 3 are assembled into one-piece stator iron core, this mode makes to roll off the production line very simple, and split stator unshakable in one's determination 3 manufactures well without the need to reprocessing, can directly use; When split stator iron core 3 is assembled, need ensure that rectangular step stretches in groove completely, the two does not have gap; By two dead rings 1 by assembled good stator core banding together, ensure that stator core reliably uses.
Claims (10)
1. a magneto split stator, comprise split stator iron core (3) and coil (2), described coil (2) winding is inner at split stator iron core (3), it is characterized in that: also comprise dead ring (1), described split stator iron core (3) is assemblied to form by least three lobes, each lobe is all respectively equipped with complete tooth, complete groove and half groove; Described stator core is by dead ring (1) banding; Described magneto split stator is set to end circular diameter and is less than the cylindrical of length.
2. magneto split stator as claimed in claim 1, it is characterized in that: the draw ratio of described magneto split stator, the i.e. ratio of length and end circular diameter, is 6:1.
3. magneto split stator as claimed in claim 1, it is characterized in that: described split stator iron core (3) is made up of three lobes, each lobe is equipped with two complete teeth, a complete groove and two and half grooves.
4. magneto split stator as claimed in claim 3, it is characterized in that: the outside of each lobe of described split stator iron core (3) is set to the arc cylinder week of 1/3rd circumference, be set to the arc inner periphery of 1/3rd concentric with it circumference inside it, the cross section that described excircle and inner periphery are combined to form is covering of the fan shape.
5. magneto split stator as claimed in claim 4, is characterized in that: the excircle place of each lobe of described split stator iron core (3) is provided with down " recessed " font notch.
6. magneto split stator as claimed in claim 5, is characterized in that: the one end at the excircle place of each lobe of described split stator iron core (3) is provided with assembling boss, and the other end is provided with assembling groove with matching.
7. magneto split stator as claimed in claim 6, is characterized in that: the end position place that described core tooth is positioned at inner periphery is provided with groove.
8. the magneto split stator according to any one of claim 1-7, is characterized in that: the quantity of described dead ring (1) is two, is separately positioned on the end positions place of split stator iron core (3).
9. the manufacture method of the magneto split stator according to any one of claim 1-8, the silicon steel sheet of sufficient amount is first prepared according to the axial length of split stator iron core (3), again according to the shape of each lobe split stator iron core (3) by shaping for silicon steel sheet metal blanking, the left end of silicon steel sheet is made to stretch out an assembling boss, right-hand member leaves the identical assembling groove with step shape, so that split stator iron core (3) locates use when being assembled into entirety; Weld seam is left at the E Bu center of described silicon steel sheet, for welding; Bottom the tooth of described silicon steel sheet, namely inner periphery place, has groove, stator laminate and integral assembling time play location and fastening effect; Alignd by silicon steel sheet tooth crest groove by special tooling, entirety laminates, then is welded along allowance weld, forms each lobe of split stator iron core (3); After split stator iron core (3) is shaping, after its teeth portion respectively lower good line, then split stator iron core (3) is assembled into one-piece stator iron core.
10. the manufacture method of magneto split stator as claimed in claim 9, is characterized in that: by two dead rings (1) by assembled good stator core banding together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468769.6A CN104682584A (en) | 2014-09-15 | 2014-09-15 | Split stator of permanent magnet motor and manufacturing method of split stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468769.6A CN104682584A (en) | 2014-09-15 | 2014-09-15 | Split stator of permanent magnet motor and manufacturing method of split stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104682584A true CN104682584A (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410468769.6A Pending CN104682584A (en) | 2014-09-15 | 2014-09-15 | Split stator of permanent magnet motor and manufacturing method of split stator |
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| Country | Link |
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| CN (1) | CN104682584A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100217A (en) * | 2015-07-21 | 2016-11-09 | 熵零股份有限公司 | Vehicular transmission shaft energy system |
| CN107086732A (en) * | 2017-05-23 | 2017-08-22 | 浙江特种电机股份有限公司 | A kind of hinge type motor stator core welder |
| CN109794736A (en) * | 2019-01-28 | 2019-05-24 | 江苏迈信林航空科技股份有限公司 | A kind of processing method using machining welding synthesis |
| CN113131688A (en) * | 2019-12-31 | 2021-07-16 | 新疆金风科技股份有限公司 | Motor splitting or assembling device, motor splitting method and motor assembling method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201134704Y (en) * | 2007-09-28 | 2008-10-15 | 黄敖齐 | Iron core of motor stator |
| CN201286053Y (en) * | 2008-10-27 | 2009-08-05 | 李树国 | Permanent magnet synchronous motor and stator iron core |
| JP2011097759A (en) * | 2009-10-30 | 2011-05-12 | Mitsubishi Electric Corp | Stator of permanent magnet type rotary electric machine |
| CN203261141U (en) * | 2013-04-12 | 2013-10-30 | 佛山市顺德万和电气配件有限公司 | AC motor stator |
| CN204046285U (en) * | 2014-09-15 | 2014-12-24 | 北京精密机电控制设备研究所 | A kind of magneto split stator |
-
2014
- 2014-09-15 CN CN201410468769.6A patent/CN104682584A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201134704Y (en) * | 2007-09-28 | 2008-10-15 | 黄敖齐 | Iron core of motor stator |
| CN201286053Y (en) * | 2008-10-27 | 2009-08-05 | 李树国 | Permanent magnet synchronous motor and stator iron core |
| JP2011097759A (en) * | 2009-10-30 | 2011-05-12 | Mitsubishi Electric Corp | Stator of permanent magnet type rotary electric machine |
| CN203261141U (en) * | 2013-04-12 | 2013-10-30 | 佛山市顺德万和电气配件有限公司 | AC motor stator |
| CN204046285U (en) * | 2014-09-15 | 2014-12-24 | 北京精密机电控制设备研究所 | A kind of magneto split stator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100217A (en) * | 2015-07-21 | 2016-11-09 | 熵零股份有限公司 | Vehicular transmission shaft energy system |
| CN107086732A (en) * | 2017-05-23 | 2017-08-22 | 浙江特种电机股份有限公司 | A kind of hinge type motor stator core welder |
| CN109794736A (en) * | 2019-01-28 | 2019-05-24 | 江苏迈信林航空科技股份有限公司 | A kind of processing method using machining welding synthesis |
| CN113131688A (en) * | 2019-12-31 | 2021-07-16 | 新疆金风科技股份有限公司 | Motor splitting or assembling device, motor splitting method and motor assembling method |
| CN113131688B (en) * | 2019-12-31 | 2023-03-31 | 新疆金风科技股份有限公司 | Motor splitting or assembling device, motor splitting method and motor assembling method |
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Application publication date: 20150603 |