CN109450121A - Iron core module, stator core and the switched reluctance machines using it - Google Patents
Iron core module, stator core and the switched reluctance machines using it Download PDFInfo
- Publication number
- CN109450121A CN109450121A CN201811334895.7A CN201811334895A CN109450121A CN 109450121 A CN109450121 A CN 109450121A CN 201811334895 A CN201811334895 A CN 201811334895A CN 109450121 A CN109450121 A CN 109450121A
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- yoke portion
- pin
- iron core
- stator core
- module
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 238000003032 molecular docking Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 11
- 238000013461 design Methods 0.000 abstract description 5
- 230000003247 decreasing effect Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000002411 adverse Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000005405 multipole Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008111 motor development Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Synchronous Machinery (AREA)
Abstract
The invention discloses iron core module, stator core and using its switched reluctance machines, belong to technical field of switch reluctance motor.The stator core is put together by k iron core module of along the circumferential direction equal part, each iron core module includes assembled yoke portion, connection yoke portion and z salient pole, connection yoke portion, which is set between salient pole, connects salient pole, assembled yoke portion is set to connection yoke portion left and right ends for docking adjacent iron cores module, assembled yoke portion offers cotter way on the end face for docking, after the assembled yoke portion docking of two neighboring iron core module is neat, just face forms pin mounting groove to two cotter ways, matching is fitted with pin in pin mounting groove, the stator core passes through iron core module split, pin interference inserting is to be fixed in motor casing.The switched reluctance machines include motor casing, rotor core and said stator iron core.By above-mentioned design, the installation and removal of stator core are all more convenient by the present invention, can improve the working efficiency of motor installation and removal.
Description
[technical field]
The present invention relates to switched reluctance machines field more particularly to iron core module and stators easy for removal and installation
Iron core and the switched reluctance machines for applying it.
[background technique]
Application No. is CN201720681764.0 Chinese utility model patents to disclose a kind of " single phase multi module and single-phase
Multipole module combined type switched reluctance machines ", the electricity of magnetic circuit can be disconnected by designing a kind of yoke portion for the first time in motor development history
Machine is made that tremendous contribution for the development of switched reluctance machines, and major advantage has: 1, alternate mutual inductance is greatly decreased to switch magnetic
Hinder the adverse effect of motor torque ripple；2, stator core can be produced with segmentation module metaplasia, substantially save die cost；3, coiling
It is convenient and simple, substantially save coiling production hour and manpower.But it also proposed new requirement to the installation of single phase multi module, such as
A kind of its disclosed mounting means, is arranged groove secured core module on motor casing, since groove setting is closed in motor casing
In space, processing is relatively difficult, and more feasible processing technology is wire cutting, wire cutting low efficiency at high cost；Installation process needs
It is also relative complex to each single phase multi module strength press fitting or hot jacket, installation operation.In addition, due to each single phase multi mould
Block is all made of interference fit and is installed on motor casing, and when dismantling single phase multi module, operation is also relatively difficult.
Therefore, on the basis of succession " single phase multi module and single phase multi module combined type switched reluctance machines " advantage
On, it is further improved, designs a kind of stator core for being easily installed and dismantling and the switched reluctance machines using it, be existing open
Close the reluctance motor technical issues that need to address.
[summary of the invention]
In order to improve the deficiencies in the prior art, the object of the present invention is to provide a kind of iron core module and it is easy to disassemble and
The stator core of installation and the switched reluctance machines for applying it, by being respectively provided with cotter way, iron core in iron core module yoke portion both ends of the surface
Two neighboring cotter way forms a pin mounting groove after block combiner, then is mounted on pin mounting groove by the interference fit of pin
The interior fixation for realizing stator core, mounts and dismounts all more convenient.
The present invention be solve its technical problem and the technical solution adopted is that:
A kind of stator core being easily installed with disassembly comprising iron core module and pin, the stator core are by edge
K iron core module of circumferencial direction equal part is put together, k >=2 and be natural number, and each iron core module includes assembled yoke
Portion, connection yoke portion and z salient pole, z >=2 and be natural number, connection yoke portion, which is set between salient pole, connects salient pole, and assembled yoke portion is set
It is placed in connection yoke portion left and right ends and offers pin on the end face for docking for docking adjacent iron cores module, assembled yoke portion
Slot, the cotter way extend from the end face of the end face before assembled yoke portion rearwards, before one end of the cotter way penetrates through assembled yoke portion
The end face in face or the both ends of cotter way penetrate through former and later two end faces in assembled yoke portion, the assembled yoke of any two iron core module respectively
After portion's docking is neat, just face forms pin mounting groove to two cotter ways, and matching is fitted with pin in the pin mounting groove, institute
Stator core is stated by iron core module split, pin interference inserting to be fixed in motor casing.
For conventional motor, stator core is pressed on motor casing as a whole, and pressure assembling force is maximum, and operation is tired
It is difficult；For application No. is " single phase multi modules and single-phase more disclosed in CN201720681764.0 Chinese utility model patent
Pole module combined type switched reluctance machines ", multipole module are pressed on motor casing groove as monomer one by one, and pressure assembling force also compares
Larger, press fitting working efficiency is relatively low；Certainly, the method for hot jacket both can be taken to install, but hot jacket brings a large amount of energy again
The problem of source consumes.It takes above scheme provided by the invention, when installation, iron core module is placed in motor casing, is pieced together
After the shape of stator core, a pin is put into each pin mounting groove, it is only necessary to the last one pin of installation operation
It is pressed using strength, when disassembly also only needs to dismantle first pin of disassembling section using strength, since pressure assembling force is and quilt
The contact area for being pressed element is in direct ratio relevant, and the contact area of pin and pin mounting groove is far smaller than one-piece stator
The contact area of iron core and motor casing also much smaller than the contact area of single phase multi-stage module and motor casing groove, thus uses this
The scheme of design is invented, pressure assembling force will be greatly decreased, and production operation becomes convenient and simple.
The stator core number of phases is that q salient pole number is m, when being applied in combination with salient pole number for the rotor core of n, m/n=
Zq/ (zq+1), the salient pole in the iron core module belong to a phase salient pole, and Adjacent salient poles angle is 360 °/n.
Preferably, assembled yoke portion cotter way for opening up on the end face of docking is identical, and the cotter way is circular groove or side
Slot, when cotter way is circular groove, using half slot or smaller part circular groove, pin uses cylindrical pin, and regular shape is more convenient to insert
Fill work.It is highly preferred that the cotter way is along stator core axially through assembled yoke portion front and back as inserting more easily scheme
Two end faces.
Preferably, after the pin is inserted into all pin mounting grooves, the assembled yoke of the two neighboring iron core module
There is gap between portion, gap is no more than the 1/2 of pin diameter.Using the stator core when installing around winding, by each iron core mould
Salient pole on block makes a phase, is not connected to alternate yoke portion, and alternate mutual inductance can be greatly decreased to switched reluctance machines torque pulsation
Adverse effect.
The pin is made of stainless steel material, and the diameter of each pin is identical.Stainless steel material is non-magnetic, can be into one
Step reduces alternate mutual inductance.
Preferably, the pin end is additionally provided with external screw teeth or internal screw thread for locking stator core end.
Said stator iron core is natural number due to the iron core module split composition using k segmented, k >=2, each
The structure of iron core module is identical, then it can be used as an independent monomer, has item property, therefore the present invention also protects
Protect the iron core module.
The present invention also provides a kind of switched reluctance machines, including motor casing, rotor core and above-described stator core,
The stator core compresses to compress and be mounted in motor casing by iron core module split, pin interference inserting.
In above-mentioned switched reluctance machines, the salient pole in the preferably described iron core module of the present invention belongs to a phase salient pole, thus
Single-phase module is formed, has the advantages that single-phase module is exclusive.
Due to the adoption of the above technical scheme, the invention has the benefit that
1, stator core and switched reluctance machines of the invention are formed, iron core mould using the iron core module split of segmented
Cotter way is arranged in the assembled yoke portion of block, and two neighboring cotter way forms a pin mounting groove after iron core module combination, and iron core module exists
After the shape for piecing together stator core in motor casing, then be mounted in pin mounting groove by the interference fit of pin realize it is solid
Calmly, when dismounting, it is only necessary to pull out one of pin i.e. quick release, installation and removal are all more convenient, improve motor
Production efficiency and maintenance efficiency.
2, the yoke portion of traditional switched reluctance machines is used for magnetic conduction, neither allows to disconnect nor allow to be arranged to reduce magnetic conduction energy
The pin hole of power in the solution of the present invention, is to disconnect between iron core module, is compressed using pin grafting, pin uses stainless steel
Non-magnet material, iron core module allow to have gap, do not influence the normal function of motor not only, also facilitate installing and dismounting, and can subtract
Few alternate mutual inductance, and traditional technology prejudice is overcome, achieve unexpected technological progress.
[Detailed description of the invention]
Fig. 1 is a kind of three-dimensional structure diagram of stator core of the invention.
Fig. 2 is the axis projection view of Fig. 1.
Fig. 3 is the axis projection view of iron core module in the present invention.
Fig. 4 is the axis projection view that iron core module pieces together stator core shape in the present invention.
It is marked in the figure to be meant that: 10- iron core module, 11- assembly yoke portion, 12- connection yoke portion, 13- salient pole, 14- cotter way,
15- pin mounting groove, 20- pin.
[specific embodiment]
In order to make the objectives, technical solutions, and advantages of the present invention clearer, it below by way of specific embodiment and ties
Attached drawing is closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain
The present invention is not intended to limit the present invention.
It as illustrated in fig. 1 and 2, is a kind of three-dimensional structure diagram of stator core of the invention and axis projection view, the stator
The characteristics of iron core, is to be easily installed in motor casing, and easy to disassemble, is specifically achieved in that the stator core is by edge
The k iron core module 10 of circumferencial direction equal part is put together, the number k of iron core module 10 used in a stator core be 2 or
Person is greater than 2 natural number.The axis projection view of iron core module 10 can refer to Fig. 3, and each iron core module 10 includes assembled yoke portion
11, connection yoke portion 12 and z salient pole 13, the 13 quantity z of salient pole in each iron core module 10 can be it is two or more, according to fixed
Depending on the design requirement of son and the number of iron core module 10；Connection yoke portion 12 is set between salient pole 13 for connecting salient pole 13,
Assembled yoke portion 11 is set to 12 left and right ends of connection yoke portion for docking adjacent iron cores module, end of the assembled yoke portion 11 for docking
Cotter way 14 is offered on face, each cotter way 14 is identical and is symmetrical arranged about the central axes of iron core module 10, cotter way 14
It opens up direction to extend from the end face of the end face before assembled yoke portion 11 rearwards, one end of the cotter way 14 penetrates through assembled yoke portion 11
The end face of front or the both ends of cotter way 14 penetrate through former and later two end faces in assembled yoke portion 11 respectively, and preferably cotter way 14 is along stator iron
Core axially through assembled former and later two end faces of yoke portion 11；Referring to fig. 4, right in the assembled yoke portion 11 of any two iron core module
After connecing neatly, just face forms a pin mounting groove 15 to two cotter ways 14.Referring back to Fig. 1, matched in pin mounting groove 15
It is fitted with pin 20, the stator core compresses to compress and be mounted on by 10 split of iron core module, 20 interference of pin inserting
In motor casing.
Above-mentioned cotter way 14 can be circular groove or square groove, can also be other shapes.The preferred cotter way 14 of present embodiment is circle
Slot, and half slot or smaller part circular groove are used, on the one hand pin 20 is the shape because of rule, puts down correspondingly using cylinder
The more convenient inserting work of sliding contact surface, on the other hand, using smaller part circular groove, the pin 20 is inserted into all pin mounting grooves
After in 15, gap is formed between the assembled yoke portion 11 of two neighboring iron core module 10；Make the stator core when installing around winding,
Salient pole 13 in each iron core module 10 belongs to a phase, is not connected to alternate assembled yoke portion 11, alternate mutual inductance pair is greatly decreased
The adverse effect of switched reluctance machines torque pulsation.As preferred embodiment, gap is no more than the 1/2 of pin diameter, makes
Overall structure is more stable.
As preferred embodiment, the stator core number of phases is that q salient pole number is m, in the rotor iron for being n with salient pole number
When core is applied in combination, m/n=zq/ (zq+1), the salient pole in the iron core module belongs to a phase salient pole, and Adjacent salient poles angle is
360° /n。
As preferred embodiment, pin 20 used above is made of stainless steel material, to completely cut off alternate lead
Magnetic reduces alternate mutual inductance.It is preferred that the diameter of each pin is identical, the unification of model easy to produce.The length of pin 20 is greater than assembly
The thickness in yoke portion 11, the end of pin 20 are additionally provided with external screw teeth or internal screw thread for locking stator core end.
Referring to Fig. 3, for the planar structure schematic diagram of iron core module in the present invention, iron core module includes assembled yoke portion 11, connects
Meet yoke portion 12 and z salient pole 13, z >=2 and be natural number, connection yoke portion 12 is set to connection salient pole 13 between salient pole 13, assembled
Yoke portion 11 is set to 12 left and right ends of connection yoke portion for docking adjacent iron cores module 10, end face of the assembled yoke portion 11 for docking
On offer cotter way 14, the cotter way 14 extends from the end face of the end face of assembled 11 front of yoke portion rearwards, the cotter way 14
One end penetrate through the end face of assembled 11 front of yoke portion or the both ends of cotter way 14 and penetrate through former and later two ends in assembly yoke portion 11 respectively
Face, after the assembled yoke portion 11 of any two iron core module 10 is docked neatly, just face forms pin mounting groove to two cotter ways 14
15, k iron core modules 10 can enclose a stator core, k >=2.
The present invention also provides a kind of switched reluctance machines, including motor casing, rotor core and above-described stator core,
The stator core compresses to compress and be mounted in motor casing by split, 20 interference of the pin inserting of iron core module 10.
As preferred embodiment, in above-mentioned switched reluctance machines, in the preferably described iron core module 10 of the present invention
Salient pole 13 belongs to a phase salient pole, to form single-phase module, by being not connected to alternate yoke portion, alternate mutual inductance can be greatly decreased
To the adverse effect of switched reluctance machines torque pulsation.
Stator core of the invention during installation, iron core module 10 is placed in motor casing, stator core is pieced together
After shape, a pin 20 is put into each pin mounting groove 15, it is only necessary to use the last one pin 20 of installation operation
Strength is pressed, and when disassembly also only needs to dismantle first pin of disassembling section using strength, since pressure assembling force is and is pressed
The contact area of element is in direct ratio relevant, and the contact area of pin 20 and pin mounting groove 15 is far smaller than one-piece stator
The contact area of iron core and motor casing also much smaller than the contact area of single phase multi-stage module and motor casing groove, thus uses this
The scheme of design is invented, pressure assembling force will be greatly decreased, and production operation becomes convenient and simple.
The above is only the description of the preferred embodiment of the present invention, it should be pointed out that due to the finiteness of literal expression,
And objectively there is unlimited specific structure, for those skilled in the art, do not departing from the principle of the invention
Under the premise of, several improvement can also be made, these improvement also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of stator core, it is characterised in that: it includes iron core module and pin, and the stator core is by along the circumferential direction
K iron core module of equal part is put together, k >=2 and be natural number, and each iron core module includes assembled yoke portion, connection yoke
Portion and z salient pole, z >=2 and be natural number, connection yoke portion, which is set between salient pole, connects salient pole, and assembled yoke portion is set to connection
Yoke portion left and right ends offer cotter way, the pin on the end face for docking for docking adjacent iron cores module, assembled yoke portion
Slot extends from the end face rearwards of the end face before assembled yoke portion, one end of the cotter way penetrate through the end face before assembled yoke portion or
The both ends of person's cotter way penetrate through former and later two end faces in assembled yoke portion respectively, and the assembled yoke portion docking of any two iron core module is neat
Afterwards, just face forms pin mounting groove to two cotter ways, and matching is fitted with pin, the stator core in the pin mounting groove
By iron core module split, pin interference inserting to be fixed in motor casing.
2. a kind of stator core according to claim 1, it is characterised in that: the stator core number of phases is that q salient pole number is
M, when being applied in combination with rotor core that salient pole number is n, m/n=zq/ (zq+1), the salient pole in the iron core module belongs to one
Phase salient pole, Adjacent salient poles angle are 360 °/n.
3. a kind of stator core according to claim 1, it is characterised in that: the cotter way is circular groove or square groove, works as cotter way
When for circular groove, using half slot or smaller part circular groove, pin uses cylindrical pin.
4. a kind of stator core according to claim 1 or 3, it is characterised in that: the pin is inserted into all pin peaces
After in tankage, there is gap between the assembled yoke portion of the two neighboring iron core module, gap is no more than the 1/2 of pin diameter.
5. a kind of stator core according to claim 1, it is characterised in that: the cotter way along stator core axially through
Assembled former and later two end faces of yoke portion.
6. a kind of stator core according to claim 1, it is characterised in that: the pin is made of stainless steel material,
The diameter of each pin is identical.
7. a kind of stator core according to claim 1, it is characterised in that: the pin end be additionally provided with external screw teeth or
Internal screw thread.
8. iron core module used in stator core of any of claims 1-7, it is characterised in that: the iron core mould
Block includes assembled yoke portion, connection yoke portion and z salient pole, z >=2 and be natural number, connection yoke portion be set between salient pole connect it is convex
Pole, assembled yoke portion are set to connection yoke portion left and right ends for docking adjacent iron cores module, end face of the assembled yoke portion for docking
On offer cotter way, the cotter way extends from the end face of the end face before assembled yoke portion rearwards, and one end of the cotter way is passed through
The both ends of end face or cotter way before logical assembly yoke portion penetrate through former and later two end faces in assembled yoke portion, any two iron core respectively
After the assembled yoke portion docking of module is neat, just face forms pin mounting groove to two cotter ways, and the k iron core modules can enclose
At a stator core, k >=2.
9. a kind of switched reluctance machines, it is characterised in that: including any one of motor casing, rotor core and claim 1-7 institute
The stator core stated, the stator core is by iron core module split, pin interference inserting to be fixed in motor casing.
10. switched reluctance machines according to claim 9, it is characterised in that: the salient pole in the iron core module belongs to one
Phase salient pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811334895.7A CN109450121B (en) | 2018-11-10 | 2018-11-10 | Iron core module, stator iron core and switched reluctance motor applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811334895.7A CN109450121B (en) | 2018-11-10 | 2018-11-10 | Iron core module, stator iron core and switched reluctance motor applying same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109450121A true CN109450121A (en) | 2019-03-08 |
| CN109450121B CN109450121B (en) | 2024-05-10 |
Family
ID=65550979
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811334895.7A Active CN109450121B (en) | 2018-11-10 | 2018-11-10 | Iron core module, stator iron core and switched reluctance motor applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109450121B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768407A (en) * | 2019-12-04 | 2020-02-07 | 深圳华引动力科技有限公司 | Trapezoidal salient pole switched reluctance motor |
| CN113472098A (en) * | 2020-03-31 | 2021-10-01 | 北京金风科创风电设备有限公司 | Split type iron core structure |
| TWI836495B (en) * | 2022-07-04 | 2024-03-21 | 大陸商北海建準電子有限公司 | Motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768407A (en) * | 2019-12-04 | 2020-02-07 | 深圳华引动力科技有限公司 | Trapezoidal salient pole switched reluctance motor |
| CN113472098A (en) * | 2020-03-31 | 2021-10-01 | 北京金风科创风电设备有限公司 | Split type iron core structure |
| TWI836495B (en) * | 2022-07-04 | 2024-03-21 | 大陸商北海建準電子有限公司 | Motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109450121B (en) | 2024-05-10 |
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