CN110365135A - A kind of permanent magnetic motor stator magnetic circuit - Google Patents
A kind of permanent magnetic motor stator magnetic circuit Download PDFInfo
- Publication number
- CN110365135A CN110365135A CN201910726906.4A CN201910726906A CN110365135A CN 110365135 A CN110365135 A CN 110365135A CN 201910726906 A CN201910726906 A CN 201910726906A CN 110365135 A CN110365135 A CN 110365135A
- Authority
- CN
- China
- Prior art keywords
- stator
- magnetic
- slot
- magnetic conduction
- slot wedge
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 claims abstract description 29
- 230000000452 restraining effect Effects 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 239000000945 filler Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 2
- 238000003475 lamination Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004080 punching Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 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
- H02K1/16—Stator cores with slots for windings
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/48—Fastening of windings on the stator or rotor structure in slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/48—Fastening of windings on the stator or rotor structure in slots
- H02K3/487—Slot-closing devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/48—Fastening of windings on the stator or rotor structure in slots
- H02K3/487—Slot-closing devices
- H02K3/493—Slot-closing devices magnetic
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The invention discloses a kind of a kind of permanent magnetic motor stator magnetic circuits of permanent magnetic motor stator magnetic circuit, including stator core and the upper layer winding and lower layer's winding that are set in the stator slot opened up on the inside of stator core, the opening of the stator slot is connected with magnetic conduction slot wedge, the magnetic conduction slot wedge is work shape part, restraining position ring block is welded and fixed in the end of the magnetic conduction slot wedge, the stop collar is clamped by the rubber ring and locating slot being fixedly installed on lateral wall, and locating slot is opened in the end face of stator core.The stator magnetic circuit, the magnetic conduction slot wedge designed using work shape is easy to loading and unloading, avoids the inside punching press mounting groove in stator slot, thus the case where avoiding stator slot from deforming, to guarantee the stability of magnetic conduction slot wedge installation.
Description
Technical field
The invention belongs to gen-set technical fields, and in particular to a kind of permanent magnetic motor stator magnetic circuit.
Background technique
Stator magnetic circuit in permanent magnet generator is made of stator core, winding, insulation assembly and slot wedge.Permanent magnet generator
Exploitation and be used in initial stage, electromagnetism calculate and magnetic Circuit Design it is all immature.Permanent magnet is both magnetic source in generator,
It is the component part of magnetic circuit again.The magnetic property of permanent magnet is not only related with the manufacturing process of factory, also with the shape of permanent magnet
Related with magnetization method with the capacity of size, magnet charger, the discreteness of specific performance data is very big.And permanent magnet is in motor
The magnetic flux and magnetomotive force that can be provided also change with the material property of magnetic circuit rest part, size and motor operating state.
Permanent magnetic motor stator magnetic circuit in use at present is needed to open up out in stator slot to install to install slot wedge
Slot wedge is inserted by slot to facilitate, but difficulty of processing is bigger, be easy to cause stator slot internal modification that slot wedge is caused to be installed
The problem of stability deficiency solves the above problems so needing to update design.
Summary of the invention
The purpose of the present invention is to provide a kind of permanent magnetic motor stator magnetic circuits to come into operation, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of permanent magnetic motor stator magnetic circuit, including stator core
And it is set to upper layer winding and lower layer's winding in the stator slot opened up on the inside of stator core, the opening card of the stator slot
It is connected to magnetic conduction slot wedge, the magnetic conduction slot wedge is work shape part, and restraining position ring block, the limit is welded and fixed in the end of the magnetic conduction slot wedge
Ring is clamped by the rubber ring and locating slot being fixedly installed on lateral wall, and locating slot is opened in the end face of stator core.
Preferably, the transverse slat of the magnetic conduction slot wedge upper and lower side is arc panel, and the radian of arc panel and stator core side
The radian of wall is consistent.
Preferably, the magnetic conduction slot wedge is laminated-type magnetic slot-seal, and magnetic conduction slot wedge is by epoxy resin, iron powder, solidification
Agent, solvent, which are sufficiently mixed after pouring molding, to be wrapped glass cloth and is made.
Preferably, rubber filler strip is provided between the upper layer winding and lower layer's winding.
Preferably, corrugated sheet is provided between the magnetic conduction slot wedge and lower layer's winding, and between corrugated sheet wave crest and trough
Axial clearance be less than spacing between magnetic conduction slot wedge upper surface and lower layer's winding.
Technical effect and advantage of the invention: the permanent magnetic motor stator magnetic circuit,
1, when stop collar clings to the end of stator core, the rubber ring on stop collar lateral wall snaps fit onto stator core
In the locating slot of end, thus realize the installation of magnetic conduction slot wedge, it is convenient for disassembly and assembly, and avoid and open up peace on the inside of stator slot
Tankage reduces difficulty of processing, and avoids the deformation of locating slot in process, to guarantee that magnetic conduction slot wedge is installed
Stability.
2, using magnetic conduction slot wedge, reduce the leakage field of teeth portion at notch, while reducing the magnetic flux density of teeth portion, greatly improve magnetic
Road magnetic property, further reduces the volume and stock utilization of permanent magnet generator, while also improving three-phase voltage waveform matter
Amount, teeth portion harmonic content are obviously reduced, and iron loss accordingly reduces, and improves the working efficiency of generator.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the connection schematic diagram of stop collar and magnetic conduction slot wedge；
Fig. 4 is the cross-sectional view of stator core.
In figure: 1, stator core；2, upper layer winding；3, lower layer's winding；4, magnetic conduction slot wedge；5, stop collar；6, rubber ring；7,
Locating slot；8, rubber filler strip；9, corrugated sheet；10 stator slots.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of permanent magnetic motor stator magnetic circuit as shown in Figs 1-4, including stator core 1 and be set to it is fixed
The upper layer winding 2 and lower layer's winding 3 in stator slot 10 opened up on the inside of sub- iron core 1, the opening of the stator slot 10 are connected with
Magnetic conduction slot wedge 4, the magnetic conduction slot wedge 4 are work shape part, and restraining position ring block 5, the limit is welded and fixed in the end of the magnetic conduction slot wedge 4
Ring 5 is clamped by the rubber ring 6 and locating slot 7 being fixedly installed on lateral wall, and locating slot 7 is opened in the end face of stator core 1,
The opening that work shape magnetic conduction slot wedge 4 is inserted into stator slot 10 is inwardly pushed when magnetic conduction slot wedge 4 is installed, and stop collar 5 is to stator iron
The end of core 1 is close, and when stop collar 5 clings to the end of stator core 1, the rubber ring 6 on 5 lateral wall of stop collar is snapped fit onto
In the locating slot 7 of 1 end of stator core, thus realize the installation of magnetic conduction slot wedge 4, it is convenient for disassembly and assembly, and avoid in stator slot
10 inside opens up mounting groove, reduces difficulty of processing, and avoid the deformation of locating slot 7 in process, thus
Guarantee the stability that magnetic conduction slot wedge 4 is installed.
The transverse slat of 4 upper and lower side of magnetic conduction slot wedge is arc panel, and the arc of the radian of arc panel and 1 side wall of stator core
Degree is consistent, guarantees that magnetic conduction slot wedge 4 is bonded by upper and lower two pieces of transverse slats with 10 inner wall of stator slot and 1 inner wall of stator core, thus into
One step guarantees the stability that magnetic conduction slot wedge 4 is installed on the inside of stator core 1, and magnetic conduction slot wedge 4 is avoided to occur inside stator slot 10
Activity.
The magnetic conduction slot wedge 4 is laminated-type magnetic slot-seal, and magnetic conduction slot wedge 4 is by epoxy resin, iron powder, curing agent, molten
Agent, which is sufficiently mixed after pouring molding, to be wrapped glass cloth and is made, and reduces the leakage field of teeth portion at notch, while the magnetic flux for reducing teeth portion is close
Degree, greatly improves magnetic circuit magnetic property, further reduces the volume and stock utilization of permanent magnet generator, while also improving three
Phase voltage waveform quality, teeth portion harmonic content are obviously reduced, and iron loss accordingly reduces, and improve the working efficiency of generator.
It is provided with rubber filler strip 8 between the upper layer winding 2 and lower layer's winding 3, by rubber filler strip 8 to upper layer winding 2
It insulate between lower layer's winding 3.
Corrugated sheet 9 is provided between the magnetic conduction slot wedge 4 and lower layer's winding 3, and vertical between 9 wave crest of corrugated sheet and trough
It is less than the spacing between 4 upper surface of magnetic conduction slot wedge and lower layer's winding 3 to gap, guarantees through the restoring force of corrugated sheet 9 to stator
Upper layer winding 2 and lower layer's winding 3 in slot 10 are compressed, and upper layer winding 2 and lower layer's winding 3 is avoided to occur in stator slot 10
Activity, to guarantee the stability of stator magnetic circuit.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (5)
1. a kind of permanent magnetic motor stator magnetic circuit including stator core (1) and is set to the stator slot opened up on the inside of stator core (1)
(10) upper layer winding (2) and lower layer's winding (3) in, it is characterised in that: the opening of the stator slot (10) is connected with magnetic conduction
Slot wedge (4), the magnetic conduction slot wedge (4) are work shape part, and the end of the magnetic conduction slot wedge (4) is welded and fixed restraining position ring block (5), described
Stop collar (5) is clamped by the rubber ring (6) being fixedly installed on lateral wall and locating slot (7), and locating slot (7) is opened in stator
The end face of iron core (1).
2. a kind of permanent magnetic motor stator magnetic circuit according to claim 1, it is characterised in that: magnetic conduction slot wedge (4) upper and lower side
Transverse slat be arc panel, and the radian of arc panel is consistent with the radian of stator slot (10) and stator core (1) inner wall.
3. a kind of permanent magnetic motor stator magnetic circuit according to claim 2, it is characterised in that: the magnetic conduction slot wedge (4) is lamination
Type magnetic slot-seal, and magnetic conduction slot wedge (4) is to wrap glass after being sufficiently mixed pouring molding by epoxy resin, iron powder, curing agent, solvent
Glass cloth is made.
4. a kind of permanent magnetic motor stator magnetic circuit according to claim 3, it is characterised in that: the upper layer winding (2) and lower layer
Rubber filler strip (8) are provided between winding (3).
5. a kind of permanent magnetic motor stator magnetic circuit according to claim 4, it is characterised in that: the magnetic conduction slot wedge (4) and lower layer
It is provided between winding (3) corrugated sheet (9), and axial clearance of the corrugated sheet (9) between wave crest and trough is less than magnetic conduction slot wedge (4)
Spacing between upper surface and lower layer's winding (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910726906.4A CN110365135B (en) | 2019-08-07 | 2019-08-07 | Permanent magnet machine stator magnetic circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910726906.4A CN110365135B (en) | 2019-08-07 | 2019-08-07 | Permanent magnet machine stator magnetic circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110365135A true CN110365135A (en) | 2019-10-22 |
| CN110365135B CN110365135B (en) | 2024-08-27 |
Family
ID=68223323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910726906.4A Active CN110365135B (en) | 2019-08-07 | 2019-08-07 | Permanent magnet machine stator magnetic circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110365135B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111555513A (en) * | 2020-06-15 | 2020-08-18 | 哈尔滨电气动力装备有限公司 | Wet winding motor stator slot wedge limit structure |
| CN112448516A (en) * | 2020-11-02 | 2021-03-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator core, stator structure, motor, compressor and air conditioner with stator core and stator structure |
| CN112510893A (en) * | 2020-11-30 | 2021-03-16 | 江苏苏美达五金工具有限公司 | Hybrid excitation brushless direct current motor |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1953298A (en) * | 2006-10-16 | 2007-04-25 | 湘潭电机股份有限公司 | High magnetic laminated magnetic slot wedge |
| CN201918817U (en) * | 2010-11-10 | 2011-08-03 | 甘肃省电力公司刘家峡水电厂 | Looseness-preventing structure for stator slot wedges of large vertical generator |
| CN205265390U (en) * | 2015-12-25 | 2016-05-25 | 浙江永磁电机有限公司 | Car starter motor armature structure |
| US20160315519A1 (en) * | 2015-04-22 | 2016-10-27 | Goodrich Actuation Systems Limited | Electromechanical actuator damping |
| JP2017046369A (en) * | 2015-08-24 | 2017-03-02 | 三菱電機株式会社 | Armature, manufacturing method of the same, and rotary electric machine |
| CN108370191A (en) * | 2015-12-22 | 2018-08-03 | Ksb股份有限公司 | Centrifugal pump, especially circulating pump |
| CN207732531U (en) * | 2017-12-26 | 2018-08-14 | 上海朴渡信息科技有限公司 | A kind of semi-shaped silicon steel slot wedge structure |
| CN109361277A (en) * | 2018-10-31 | 2019-02-19 | 国网山东省电力公司电力科学研究院 | Large Synchronous Machine cooling structure of stator |
| CN110048527A (en) * | 2018-01-15 | 2019-07-23 | 博泽沃尔兹堡汽车零部件有限公司 | Electric motor and cooler fan |
| CN210468912U (en) * | 2019-08-07 | 2020-05-05 | 安徽德科电气科技有限公司 | Permanent magnet machine stator magnetic circuit |
-
2019
- 2019-08-07 CN CN201910726906.4A patent/CN110365135B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1953298A (en) * | 2006-10-16 | 2007-04-25 | 湘潭电机股份有限公司 | High magnetic laminated magnetic slot wedge |
| CN201918817U (en) * | 2010-11-10 | 2011-08-03 | 甘肃省电力公司刘家峡水电厂 | Looseness-preventing structure for stator slot wedges of large vertical generator |
| US20160315519A1 (en) * | 2015-04-22 | 2016-10-27 | Goodrich Actuation Systems Limited | Electromechanical actuator damping |
| JP2017046369A (en) * | 2015-08-24 | 2017-03-02 | 三菱電機株式会社 | Armature, manufacturing method of the same, and rotary electric machine |
| CN108370191A (en) * | 2015-12-22 | 2018-08-03 | Ksb股份有限公司 | Centrifugal pump, especially circulating pump |
| CN205265390U (en) * | 2015-12-25 | 2016-05-25 | 浙江永磁电机有限公司 | Car starter motor armature structure |
| CN207732531U (en) * | 2017-12-26 | 2018-08-14 | 上海朴渡信息科技有限公司 | A kind of semi-shaped silicon steel slot wedge structure |
| CN110048527A (en) * | 2018-01-15 | 2019-07-23 | 博泽沃尔兹堡汽车零部件有限公司 | Electric motor and cooler fan |
| CN109361277A (en) * | 2018-10-31 | 2019-02-19 | 国网山东省电力公司电力科学研究院 | Large Synchronous Machine cooling structure of stator |
| CN210468912U (en) * | 2019-08-07 | 2020-05-05 | 安徽德科电气科技有限公司 | Permanent magnet machine stator magnetic circuit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111555513A (en) * | 2020-06-15 | 2020-08-18 | 哈尔滨电气动力装备有限公司 | Wet winding motor stator slot wedge limit structure |
| CN112448516A (en) * | 2020-11-02 | 2021-03-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator core, stator structure, motor, compressor and air conditioner with stator core and stator structure |
| CN112510893A (en) * | 2020-11-30 | 2021-03-16 | 江苏苏美达五金工具有限公司 | Hybrid excitation brushless direct current motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110365135B (en) | 2024-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110365135A (en) | A kind of permanent magnetic motor stator magnetic circuit | |
| CN103329399B (en) | Amorphousness stator and utilize the electronic motor of this amorphousness stator | |
| CN203774895U (en) | Improved motor stator structure and motor | |
| CN106663980B (en) | Axial air gap type rotating electrical machine and bobbin for rotating electrical machine | |
| CN106712338A (en) | Halbach array permanent magnet synchronous motor with high flux weakening property | |
| CN106451987A (en) | Single-phase brushless high-speed motor | |
| CN101527494A (en) | Flat plate type linear motor | |
| JP2010081715A (en) | Rotary electric machine | |
| JP5761068B2 (en) | Manufacturing method of rotor for IPM motor | |
| CN204481596U (en) | Insulator and electric rotating machine | |
| JP5743873B2 (en) | Embedded magnet type rotor and embedded magnet type permanent magnet rotating electric machine using this rotor | |
| CN207612135U (en) | A kind of permasyn morot stator core structure | |
| CN109802504B (en) | Permanent magnet magnetic-gathering type synchronous reluctance motor and asymmetric rotor thereof | |
| CN207304195U (en) | High speed permanent magnet motor rotor and high-speed permanent magnet motor | |
| CN115765252A (en) | Annular winding, linear motor rotor structure, linear motor and manufacturing process | |
| EP3713047A1 (en) | Permanent magnet for motor, rotor assembly having same, motor, and compressor | |
| CN210468912U (en) | Permanent magnet machine stator magnetic circuit | |
| CN209150837U (en) | Slot wedge, plastic package stator and plastic package motor | |
| CN208581099U (en) | A kind of higher motor of mounting stability | |
| CN208835849U (en) | A kind of rotor structure of synchronous magnetic resistance motor | |
| CN214101147U (en) | Split type pouring stator assembling structure | |
| CN109980879A (en) | A kind of efficient durface mounted permanent magnet synchronous motor structure with cooling structure | |
| WO2018131205A1 (en) | Rotating electric machine stator and rotating electric machine stator manufacturing method | |
| CN208337249U (en) | A kind of stator punch of high-voltage motor | |
| CN109888938A (en) | A kind of servo motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |