CN109687618A - A kind of design and verification method of the winding coil of magnetic-suspension linear motor - Google Patents

A kind of design and verification method of the winding coil of magnetic-suspension linear motor Download PDF

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Publication number
CN109687618A
CN109687618A CN201811638289.4A CN201811638289A CN109687618A CN 109687618 A CN109687618 A CN 109687618A CN 201811638289 A CN201811638289 A CN 201811638289A CN 109687618 A CN109687618 A CN 109687618A
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China
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winding coil
stator core
design
triangular structure
linear motor
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CN201811638289.4A
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CN109687618B (en
Inventor
洪茂钦
蔡泽农
余浩
杜海洋
庄治民
杨敏
麻建中
何志瞧
胡凯波
赵力航
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SUZHOU BETTER TECHNOLOGY Co Ltd
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SUZHOU BETTER TECHNOLOGY Co Ltd
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Priority to CN201811638289.4A priority Critical patent/CN109687618B/en
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Priority to PCT/CN2019/117432 priority patent/WO2020134658A1/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Linear Motors (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

The present invention provides a kind of design of the winding coil of magnetic-suspension linear motor and verification method, it can effectively solve and period length, problem at high cost are manufactured and designed using magnetic-suspension linear motor caused by existing design verification method.The Theoretical Design value that primary stator core and winding coil are obtained according to the design speed per hour of magnetic suspension train and linear motor design principle compares the stator groove width d whether the linear distance b that the thickness a of the bevel edge part of the end isosceles triangular structure of winding coil is occupied on stator core length direction is greater than stator core1With the width d of stator teeth2The sum of；Judge whether the oblique line portion of the end isosceles triangular structure of winding coil transfinites in the projector distance of the width direction of stator core；Whether the height h after judging the whole bending upwards of the end isosceles triangular structure of winding coil transfinites.

Description

A kind of design and verification method of the winding coil of magnetic-suspension linear motor
Technical field
The present invention relates to linear motor design field, a kind of specially winding coil of magnetic-suspension linear motor is set Meter and verification method.
Background technique
The primary for being installed on magnetic suspension train car bottom is the important component of magnetic-suspension linear motor, usually main It to include stator core 1 and several winding coils 2, wherein the bottom of stator core 1 offers even number item along stator core width The stator slot 3 of the elongated extension of direction D, is shown in Fig. 1 and Fig. 2, and part of the stator core between adjacent stator slot 3 forms stator Teeth portion 4, groove width, the groove depth of even number stator slot are equal, the width of each stator teeth is equal；Stator core 1 when primary installation Stator slot 3 notch towards rail side, the hexagonal structure of winding coil 2 axisymmetricly is shown in Fig. 3 comprising two etc. Long and parallel rectilinear segments 5, and the both ends of two rectilinear segments are equipped with symmetrical isosceles triangular structure, 6 are in Fig. 3 Two bevel edge parts of isosceles triangular structure；The rectilinear segments of several winding coils are sequentially embedded the stator of stator core In slot.
In the stator core of magnetic-suspension linear motor primary and the Design and manufacturing process of winding coil, often will appear by The winding coil of Theoretical Design size manufacture can not be fitted into stator due to adjacent end isosceles triangular structure interferes Situation in iron core, while the restriction by magnetic suspension rail and compartment bottom installation space, according to Theoretical Design size The primary of manufacture assembly can not be fitted into lesser motor mounting space, thus actual stator core and winding coil just It generally requires to verify the Theoretical Design size of stator core, winding coil to determine that theory is set after the completion of step Theoretical Design Whether meter size can satisfy the requirement of the practical sets such as motor mounting space.
And the verifying of existing Theoretical Design size typically makes corresponding iron core model 7 and multiple model lines respectively Then the trial of multiple model coils is sequentially embedded the model coil that observation is mutually adjacent in the respective card slot of iron core model by circle 8 End isosceles triangular structure whether can interfere, see Fig. 4, needed if interfering to winding coil end etc. The Theoretical Design value of the length of the angle and bevel edge of two bevel edges of lumbar triangle shape structure is adjusted, and according to ruler adjusted It is very little remake model coil reattempt with iron core Model Mounting, until two neighboring model coil end isosceles triangle knot Until structure does not interfere；This traditional verification mode is time-consuming and laborious, causes the design and manufacture period of magnetic-suspension linear motor Problem long, at high cost.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of design of the winding coil of magnetic-suspension linear motor and authentications Method can effectively solve long, at high cost using the design and manufacture period of magnetic-suspension linear motor caused by existing design verification method The problem of.
Its technical solution is a kind of design and verification method of the winding coil of magnetic-suspension linear motor, according to magnetic suspension The theory that primary stator core and winding coil is calculated in the design speed per hour and linear motor design principle of train is set Evaluation, wherein the Theoretical Design value of stator core includes the length L of stator core, the width D of stator core, stator groove width d1 And the width d of stator teeth2, the Theoretical Design value of winding coil includes coil half turn lc, coil thickness a, coil straight line Partial length LBAnd the angle α of two bevel edge of winding coil end isosceles triangular structure, and thickness a≤stator of coil Groove width d1, it is characterised in that: it includes following design verification step,
(1) compare the thickness a of the bevel edge part of the end isosceles triangular structure of winding coil in stator core length side Whether the linear distance b occupied upwards is greater than the stator groove width d of stator core1With the width d of stator teeth2The sum of, if b > d1+d2, then the end etc. of adjacent winding coil after being fitted into the stator slot of stator core by the winding coil of theoretical design value It can be interfered between lumbar triangle shape structure, to need further to the bevel edge of the end isosceles triangular structure of winding coil Partial-length and its angle α are further corrected and are repeated the above steps until b≤d1+d2；
(2) width direction of the oblique line portion in stator core of the end isosceles triangular structure of winding coil is calculated Projector distance, if the projector distance length be more than linear motor allow install width range, by the end of winding coil Isosceles triangular structure designs the structure of integral upward bending, on the contrary then the size design of winding coil is reasonable；
(3) whether the height h in judgment step (2) after the whole bending upwards of the end isosceles triangular structure of winding coil Permission height H beyond linear motor installation can not be installed after the winding coil and stator core assembly to straight line if h > H In the installation space of motor, need to readjust coil half turn, the winding coil end isosceles triangular structure of winding coil Angle α between the length of two bevel edges and two bevel edges repeats the above-mentioned all steps of step, until the size of winding coil accords with It closes and requires.
Further, the thickness a of the bevel edge part of the end isosceles triangle of winding coil is long in stator core in step (1) The linear distance occupied on degree direction
Further, in step (2), by the angle model of the whole bending upwards of the end isosceles triangular structure of winding coil Enclose is 0 °~80 °.
Compared with the verification method of the winding coil of existing magnetic-suspension linear motor, the method for the present invention does not need basis Theoretical Design size carries out the trial-production of iron core model and model coil, only can calculate satisfaction assembly installation by verifying to calculate Each size of the winding coil of space requirement, it is thus possible to greatly improve the design efficiency of linear motor and shorten design and manufacture week Phase, so that production cost be effectively reduced.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of the stator core of magnetic-suspension linear motor primary；
Fig. 2 is the main view of the stator core of magnetic-suspension linear motor primary to structural schematic diagram；
Fig. 3 is the structural schematic diagram of the winding coil of magnetic-suspension linear motor primary；
Fig. 4 is the examination assembling schematic diagram of iron core model and model coil when being designed verifying using existing method；
Fig. 5 is that the thickness of the bevel edge part of the end isosceles triangular structure of winding coil in this method is long in stator core The linear distance b calculation diagram occupied on degree direction；
Fig. 6 is that winding coil is shown the side view of the whole bending upwards of the isosceles triangular structure of end using the method for the present invention It is intended to.
Appended drawing reference: 1- stator core, 2- winding coil, 3- stator slot, 4- stator teeth, the linear of 5- winding coil Part, the bevel edge part of the isosceles triangular structure of 6- winding coil, 7- iron core model, 8- model coil.
Specific embodiment
The design and verification method of a kind of winding coil of magnetic-suspension linear motor of the invention, arrange according to magnetic suspension first The theory that primary stator core 1 and winding coil 2 is calculated in the design speed per hour and linear motor design principle of vehicle is set Evaluation is shown in FIG. 1 to FIG. 3, wherein the Theoretical Design value of stator core 1 include the length L of stator core, stator core width D, Stator groove width d1And the width d of stator teeth2, the Theoretical Design value of winding coil includes coil half turn lc, coil thickness Spend the length L of a, coil straight line portionBAnd the angle α of two bevel edge of winding coil end isosceles triangular structure, and coil Thickness a≤stator groove width d1, it is then successively designed verifying according to the following steps:
(1) compare the thickness a of the bevel edge part of the end isosceles triangular structure of winding coil in stator core length side Whether the linear distance b occupied upwards is greater than the stator groove width d of stator core1With the width d of stator teeth2The sum of, if b > d1+d2, then the end etc. of adjacent winding coil after being fitted into the stator slot of stator core by the winding coil of theoretical design value It can be interfered between lumbar triangle shape structure, to need further to the bevel edge of the end isosceles triangular structure of winding coil Partial-length and its angle α are further corrected and are repeated the above steps until b≤d1+d2；
Fig. 5 is seen, according to plane geometry principle, the thickness of the bevel edge part 6 of the end isosceles triangular structure of winding coil A, the thickness a of the bevel edge part of the end isosceles triangular structure of winding coil is occupied straight on 1 length direction of stator core Linear distance b and bevel edge part 6 itself constitute a right angled triangle, and the angle between a and b is equal toThen according to the cosine law It is available
(2) width direction of the oblique line portion 6 in stator core 1 of the end isosceles triangular structure of winding coil is calculated Projector distance l ', if projector distance l ' length be more than linear motor allow install width range, by winding coil End isosceles triangular structure designs the structure of integral upward bending, sees Fig. 6, and the on the contrary then size design of winding coil is closed Reason；It wherein, is 0 °~80 ° by the range of the whole angle beta of bending upwards of the end isosceles triangular structure of winding coil；
(3) whether the height h in judgment step (2) after the whole bending upwards of the end isosceles triangular structure of winding coil Permission height H beyond linear motor installation can not be installed after the winding coil and stator core assembly to straight line if h > H In the installation space of motor, need to readjust coil half turn, the winding coil end isosceles triangular structure of winding coil Angle α between the length of two bevel edges and two bevel edges repeats the above-mentioned all steps of step, until the size of winding coil accords with It closes until requiring.
In addition, in the case where h < H, can suitably increase the coil half turn of winding coil in step (3), so as to In the embedding operation of winding coil.
Present invention utilizes plane geometry principle, two bevel edge parts of the end isosceles triangular structure of winding coil it Between angle α it is bigger, then the linear distance b thickness a of bevel edge part occupied on the length direction of stator core 1 is got over Greatly, and the winding coil installation space that is assembled to the isosceles triangular structure at its both ends after stator core is limited only to stator Within the scope of the length L of iron core, only two bevel edges of the end isosceles triangular structure of guaranteed winding coil in this case Linear distance b partial thickness a occupied on the length direction of stator core is less than or equal to the stator groove width of iron core d1With the width d of stator teeth2The sum of (i.e. b≤d1+d2), stator core is just able to satisfy to the end isoceles triangle of winding coil The requirements of installation space of shape structure, it is ensured that will not be interfered between the end isosceles triangular structure of adjacent winding coil existing As；Therefore, when b > d is calculated1+d2When, then need suitably to increase by two bevel edge parts of end isosceles triangular structure Length is to reduce the angle of angle α, thus to reach the assembly space requirement of end.
Specific implementation of the invention is described in detail above, but content is only the preferable embodiment party of the invention Case should not be considered as limiting the invention the practical range of creation.It is all to become according to equalization made by the invention application range Change and improve etc., it should still be within the scope of the patent of the present invention.

Claims (3)

1. a kind of design and verification method of the winding coil of magnetic-suspension linear motor, according to the design speed per hour of magnetic suspension train with And the Theoretical Design value of primary stator core and winding coil is calculated in linear motor design principle, wherein stator core Theoretical Design value include the length L of stator core, the width of stator core, stator groove width d1And the width of stator teeth d2, the Theoretical Design value of winding coil includes coil half turn lc, the thickness a of coil, coil straight line portion length LBAnd around The angle α of group two bevel edge of end turn isosceles triangular structure, and the thickness a of coil≤stator groove width d1, feature exists In: it includes following design verification step,
(1) compare the thickness a of the bevel edge part of the end isosceles triangular structure of winding coil on stator core length direction Whether the linear distance b occupied is greater than the stator groove width d of stator core1With the width d of stator teeth2The sum of, if b > d1+ d2, then the end isosceles of adjacent winding coil after being fitted into the stator slot of stator core by the winding coil of theoretical design value It can be interfered between triangular structure, to need further to the bevel edge portion of the end isosceles triangular structure of winding coil Point length and its angle α are further corrected and are repeated the above steps until b≤d1+d2；
(2) projection of the oblique line portion of the end isosceles triangular structure of calculating winding coil in the width direction of stator core Distance, if the projector distance length be more than linear motor allow install width range, by the end isosceles of winding coil Triangular structure designs the structure of integral bending upward, on the contrary then the size design of winding coil is reasonable；
(3) whether the height h in judgment step (2) after the whole bending upwards of the end isosceles triangular structure of winding coil exceeds The permission height H of linear motor installation can not be installed after the winding coil and stator core assembly to linear motor if h > H Installation space in, it is oblique to need to readjust the coil half turn of winding coil, winding coil end isosceles triangular structure two Angle α between the length on side and two bevel edges repeats the above-mentioned all steps of step, until the size of winding coil conforms to It asks.
2. the design and verification method of a kind of winding coil of magnetic-suspension linear motor according to claim 1, feature Be: the thickness a of the bevel edge part of the end isosceles triangle of winding coil is accounted on stator core length direction in step (1) According to linear distance
3. the design and verification method of a kind of winding coil of magnetic-suspension linear motor according to claim 1 or 2, special Sign is: in step (2), the angular range by the whole bending upwards of the end isosceles triangular structure of winding coil is 0 °~ 80°。
CN201811638289.4A 2018-12-29 2018-12-29 Design and verification method for winding coil of magnetic suspension linear motor Active CN109687618B (en)

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CN201811638289.4A CN109687618B (en) 2018-12-29 2018-12-29 Design and verification method for winding coil of magnetic suspension linear motor
PCT/CN2019/117432 WO2020134658A1 (en) 2018-12-29 2019-11-12 Method of designing and verifying winding coil of magnetic levitation linear motor

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020134658A1 (en) * 2018-12-29 2020-07-02 苏州贝得科技有限公司 Method of designing and verifying winding coil of magnetic levitation linear motor
CN111541331A (en) * 2020-05-26 2020-08-14 深圳大学 Magnetic suspension motor and stator structure thereof

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JPS56139049A (en) * 1980-03-29 1981-10-30 Toshiba Corp Stator for commutatorless motor generator
CN102449883A (en) * 2009-12-18 2012-05-09 丰田自动车株式会社 Stator
CN102570738A (en) * 2012-01-06 2012-07-11 南车成都机车车辆有限公司 Method for determining parameters of hard coil winding of AC motor
CN105934871A (en) * 2014-01-23 2016-09-07 三菱电机株式会社 Manufacturing method of stator winding coil
CN107749701A (en) * 2017-12-07 2018-03-02 重庆水轮机厂有限责任公司 A kind of method for avoiding water hydro-generator stator from interfering
JP2018088729A (en) * 2016-11-28 2018-06-07 トヨタ自動車株式会社 Stator of rotary electric machine

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Publication number Priority date Publication date Assignee Title
CN103368342A (en) * 2012-03-31 2013-10-23 天津市天发重型水电设备制造有限公司 Process for manufacturing frame type coil of hydro-generator stator
CN109687618B (en) * 2018-12-29 2020-05-01 苏州贝得科技有限公司 Design and verification method for winding coil of magnetic suspension linear motor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56139049A (en) * 1980-03-29 1981-10-30 Toshiba Corp Stator for commutatorless motor generator
CN102449883A (en) * 2009-12-18 2012-05-09 丰田自动车株式会社 Stator
CN102570738A (en) * 2012-01-06 2012-07-11 南车成都机车车辆有限公司 Method for determining parameters of hard coil winding of AC motor
CN105934871A (en) * 2014-01-23 2016-09-07 三菱电机株式会社 Manufacturing method of stator winding coil
JP2018088729A (en) * 2016-11-28 2018-06-07 トヨタ自動車株式会社 Stator of rotary electric machine
CN107749701A (en) * 2017-12-07 2018-03-02 重庆水轮机厂有限责任公司 A kind of method for avoiding water hydro-generator stator from interfering

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020134658A1 (en) * 2018-12-29 2020-07-02 苏州贝得科技有限公司 Method of designing and verifying winding coil of magnetic levitation linear motor
CN111541331A (en) * 2020-05-26 2020-08-14 深圳大学 Magnetic suspension motor and stator structure thereof

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