CN107484437B - Stator and motor - Google Patents
Stator and motor Download PDFInfo
- Publication number
- CN107484437B CN107484437B CN201680002369.3A CN201680002369A CN107484437B CN 107484437 B CN107484437 B CN 107484437B CN 201680002369 A CN201680002369 A CN 201680002369A CN 107484437 B CN107484437 B CN 107484437B
- Authority
- CN
- China
- Prior art keywords
- insulating part
- stator
- pin
- connecting pin
- adjacent
- 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.)
- Expired - Fee Related
Links
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
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The insulating part (4) that stator has stator core and installs respectively at multiple laminations, insulating part (4) has the 1st insulation division (41) installed at rear yoke, with the 2nd insulation division (42) installed at tooth, 1st insulation division (41) has respectively arranged pin insertion hole (9) at the both ends of the 1st insulation division (41) in the circumferential direction of stator core, the stator has the connecting pin (10) of metal, in the state that the pin insertion hole (9) that the connecting pin (10) is respectively formed at by the 1st adjacent insulation division (41) axially overlaps, it is inserted into pin insertion hole (9).
Description
Technical field
The present invention relates to stator and motor.
Background technique
For the purpose of the miniaturization and high efficiency of realizing motor, used sometimes in existing motor by multiple iron cores
Piece is connected into a ring shape and the stator core that constitutes.When making this stator core, after multiple laminations implement coiling,
Using the linking part formed between adjacent lamination as junction, with the front end of tooth respectively arranged at multiple laminations
The opposite mode in portion and by multiple laminations arrangement circlewise, to complete stator core.
The stator of the rotating electric machine disclosed in patent document 1 is circlewise to form the arrangement of multiple segmentation iron core portions,
Multiple segmentation iron core portions include segmentation annulus respectively, are that multiple laminated members are laminated and are formed；Teeth portion, from point
Cut annulus stretching；1st insulating part component of resin, makes teeth portion insulate；And the 2nd insulating part component of resin,
Teeth portion is set to insulate.
At the circumferential both ends in the arc-shaped end face portion for constituting the 1st insulating part component, it is formed with the connecting hole axially extended.
At the circumferential both ends in the arc-shaped end face portion for constituting the 2nd insulating part component, it is formed with and axially extends and be inserted into connecting hole
Link protrusion.Connecting hole and connection protrusion constitute linking part, are rotationally linked in adjacent segmentation iron core portion by linking part.
Patent document 1: Japanese Unexamined Patent Publication 2009-278864 bulletin
Summary of the invention
However, the prior art disclosed in patent document 1 is construction premised on following the description, that is, will be equipped with
The segmentation iron core portion of 1st insulating part component and the 2nd insulating part component arranges circumferentially alternatingly and is unfolded in the state of becoming band,
Implement coiling in each tooth, then, band-like segmentation iron core portion group bending is circlewise made into stator.Therefore existing can not be in reality
Apply the restriction that will be manufactured as the connection of each segmentation iron core after coiling.In addition, connection protrusion is present in adjacent segmentation
Between iron core, therefore its thickness is restricted, and due to for convex form, being in the manufacture of motor or motor
Movement in the construction that easily snaps off.Therefore following projects exist in the prior art disclosed in the patent document 1, it may be assumed that be difficult to really
Protect the intensity of connection protrusion；Link protrusion in the manufacture of motor or in the movement of motor to fracture and yield rate reduction,
Manufacturing cost is caused to increase；In addition link protrusion in the manufacture of motor or in the movement of motor to fracture and disperse to electricity
In motivation, the reliability when operating of motor is caused to reduce.
The present invention is exactly to propose in view of the foregoing, and its object is to obtain one kind can easily make and can
Improve the stator of reliability.
In order to solve above-mentioned problem, purpose is realized, the stator of motor of the invention is characterized in that, comprising: stator
Iron core, by multiple laminations, with multiple laminations, another lamination adjacent among multiple laminations is in contact respectively
Mode arrange and be formed as cyclic annular, the tooth that multiple laminations are respectively provided with rear yoke and protrude from rear yoke；And insulating part, point
It is not installed on multiple laminations, the insulating part installed at adjacent lamination, via with higher than the intensity of insulating part strong
The connecting pin of degree is linked.
The effect of invention
Stator and motor of the present invention obtain following effects, that is, can easily make and can be improved reliable
Property.
Detailed description of the invention
Fig. 1 is the cross-sectional view for the motor that embodiments of the present invention are related to.
Fig. 2 is the exhausted of one of installation among the multiple laminations for constituting cricoid stator core shown in FIG. 1
The oblique view of edge part.
Figure when Fig. 3 is to insulating part overlook view shown in Fig. 2.
Fig. 4 is the figure for indicating for the 1st insulation division shown in Fig. 2 to be adjacent to the example of configuration.
Fig. 5 is the figure for indicating for connecting pin to be inserted into the state after pin insertion hole shown in Fig. 4.
Fig. 6 is the example for indicating 2 insulating parts after combining and rotating an insulating part centered on linking part
Figure.
Fig. 7 is the figure for indicating for connecting pin shown in fig. 5 to be used as the example of winding pin.
Fig. 8 is the figure for indicating for connecting pin shown in fig. 5 to be used as the example of guide pin.
Specific embodiment
In the following, the stator and motor that are related to based on attached drawing to embodiments of the present invention are described in detail.In addition, this
Invention is not limited to present embodiment.
Embodiment
Fig. 1 is the cross-sectional view for the motor that embodiments of the present invention are related to.Motor 100 includes stator 1；Rotor 2,
Its inside for being configured at stator 1；And shell 3, the outer profile of motor 100 is constituted, and be configured at the outside of stator 1.
Stator 1 includes cricoid stator core 6；Winding 5 is to wind magnet-wire and formed；And insulating part 4,
Stator core 6 is electrically insulated with winding 5.Stator core 6 is to be connected into a ring shape multiple laminations 11 and constitute.Multiple iron cores
Piece 11 is respectively with rear yoke 8 and the tooth 7 configured in the inside of rear yoke 8.In the example in fig 1 12 laminations 11 circumferentially A with
30 degree are arranged for compartment of terrain.Circumferential A is identical as the direction of rotation of rotor 2.
Insulating part 4 be by such as polybutylene terephthalate (PBT) ((Poly Butylene Terephthalate:
PBT), polyphenylene sulfide (Poly Phenylene Sulfide:PPS) or liquid crystal polymer (Liquid Crystal
) etc Polymer:LCP obtained from the resin forming of insulating properties.
Insulating part 4 is installed on to the rear yoke 8 and tooth 7 for constituting stator core 6, is then spirally wound in magnet-wire absolutely
Edge part 4 and form stratiform, to obtain winding 5.Magnet-wire is the electric wire of electric conductivity, is applied with insulation in the outer peripheral surface of magnet-wire and covers
Film.
Fig. 2 is one of installation among the multiple laminations for constituting cricoid stator core shown in FIG. 1
The oblique view of insulating part.Figure when Fig. 3 is to insulating part overlook view shown in Fig. 2.Fig. 2 and insulating part shown in Fig. 34 have
The 1st insulation division 41 installed at rear yoke 8 shown in Fig. 1 and the 2nd insulation division 42 installed at tooth 7.
1st insulation division 41 is respectively provided with pin insertion at the both ends of the 1st insulation division 41 on the circumferential A of stator core 6
Hole 9.Pin insertion hole 9 be set as being located at constitute stator core 6 shown in FIG. 1 it is multiple after among yokes 8 after circumferentially A is adjacent
Between yoke 8.Connection side 20 is set as on the upside of the paper by Fig. 2, by wiring opposite side 21 is set as on the downside of the paper of Fig. 2 when, pin insert
Enter the connection side 20 that hole 9 is set to the 1st insulation division 41 on axial C.Axial C is that the center line B of rotor 2 shown in FIG. 1 extends
Direction and stator core 6 center line extend direction.In the present embodiment, the center line and rotor of stator core 6
2 center line B is consistent.
Fig. 4 is the figure for indicating for the 1st insulation division shown in Fig. 2 to be adjacent to the example of configuration.Fig. 5 is to indicate to insert connecting pin
Enter to the figure of the state after pin insertion hole shown in Fig. 4.Respectively arranged pin is inserted at 2 adjacent the 1st insulation divisions 41 in Fig. 4
Enter and is overlapped on the axial C shown in Fig. 2 of hole 9.Connecting pin 10 is inserted into the pin insertion hole 9 of the two.Connecting pin 10 has than insulation
The high intensity of the intensity of part 4, as the material of connecting pin 10, can illustrate fiber-reinforced resin, thermosetting resin, aluminium alloy,
Austenitic stainless steel alloy, copper alloy, cast iron, steel or ferroalloy.
In the state of being overlapped 2 pin insertion holes 9, as illustrated in fig. 5 by connecting pin 10 to run through 2 pin insertion holes 9
Mode be inserted into along axial direction C, thus 2 insulating parts 4 are linked.Connecting pin 10 and by connecting pin 10 link after 2 pin
It is inserted into hole 9 and constitutes linking part 12.
Fig. 6 is the example for indicating 2 insulating parts after combining and rotating an insulating part centered on linking part
Figure.It, can be by adjacent 2 as shown in fig. 6, since insulating part 4 can be made to rotate centered on linking part 12
Magnet-wire is wound in the state of after the interval expansion of a 2nd insulation division 42.It therefore, can compared with the construction for not having linking part 12
The workability of production winding 5 is improved, the manufacturing cost of stator core 6 is reduced.In addition, the company of connecting pin 10 and existing resin
Knot pin compares high mechanical strength, can reduce following risks, it may be assumed that due to connection in the manufacture of motor 100 or in movement
Pin 10 fractures and leads to that yield rate reduces or the connecting pin 10 after fractureing disperses into motor 100.
In addition, connecting pin 10 also can have electric conductivity, extend along axial C, is formed to reaching in the insulating part 4 of Fig. 1
The length of built-in rear yoke 8.According to this structure, connecting pin 10 is contacted with rear yoke 8, therefore is worked as ground pin.As a result,
Without dedicated ground pin, therefore it can reduce the manufacturing cost of stator core 6.
Fig. 7 is the figure for indicating for connecting pin shown in fig. 5 to be used as the example of winding pin of winding magnet-wire.In FIG. 7, it is shown that
The magnet-wire 13 of wiring is carried out between adjacent respective 2nd insulation division 42 of 2 insulating parts 4.Magnet-wire 13 also referred to as bridges
Line, jumper is wrapped in connecting pin 10 in the example of fig. 7.In this way, connecting pin 10 can also act as the winding of winding jumper
Pin.By the way that connecting pin 10 is used as winding pin, without using the dedicated winding pin for winding jumper, can reduce
The installation workload of pin is wound, therefore can reduce the manufacturing cost of stator core 6.In addition, connecting pin 10 is used not only for
Magnet-wire 13 is wound, and can also act as the pin for the wiring being attached merely without winding magnet-wire 13.In addition, by using
Conductive connecting pin 10 so as to wind jumper, and can also act as the ground pin contacted with rear yoke 8, energy
Enough reduce the manufacturing cost of stator core 6.
Fig. 8 is the figure for indicating for connecting pin shown in fig. 5 to be used as the example of guide pin.In fig. 8, identically as Fig. 7, show
The magnet-wire 13 of wiring is carried out between adjacent respective 2nd insulation division 42 of 2 insulating parts 4 out.In the example of fig. 8, sharp
With connecting pin 10, by magnet-wire 13 be jumper guide to the outside of insulating part 4, the diameter of stator core 6 i.e. shown in FIG. 1 it is outside
Side.In this way, connecting pin 10 can also act as the guide pin being oriented to jumper.By the way that connecting pin 10 is used as guide pin,
So as to realize the connection winding for utilizing segmentation iron core to be formed.In addition, by being combined with construction shown in Fig. 7, thus
It can reduce the manufacturing effort of stator core 6.In addition it is possible to manufacture continuous along with miniaturization and high efficiency in recent years
The stator of the motor of adopted 10 pole, 12 slot.
As described above, the stator being related to according to the present embodiment, the insulating part installed at adjacent lamination,
It is the construction linked via the connecting pin with the intensity higher than the intensity of insulating part.According to the construction, mechanical strength ratio
Using material identical as insulating part pin the case where it is high, can reduce in the manufacture of motor or in movement due to connecting pin
Fracture and cause yield rate to reduce risk, fracture after connecting pin disperse the risk into motor.
In addition, connecting pin of the present embodiment, the respectively arranged pin insertion hole edge at by the 1st adjacent insulation division
The pin insertion hole of the two is inserted into the state of the axial overlap of stator core.According to the construction, mechanical strength can improved
While, adjacent segmentation iron core is rotatably linked.
One example of the representation contents of the present invention shown in above embodiment, can either with other well known to
Technology is combined, and can also be omitted, be changed to a part of structure without departing from the spirit and scope of the invention.
The explanation of label
1 stator, 2 rotors, 3 shells, 4 insulating parts, 5 windings, 6 stator cores, 7 teeth, yoke after 8,9 pin insertion holes, 10 connections
Pin, 11 laminations, 12 linking parts, 13 magnet-wires, 20 connection sides, 21 wiring opposite sides, 41 the 1st insulation divisions, 42 the 2nd insulation divisions, 100
Motor.
Claims (7)
1. a kind of stator comprising:
Stator core, multiple laminations are adjacent among the multiple lamination another respectively with the multiple lamination
The mode that one lamination is in contact arranges and is formed as cyclic annular, and the multiple lamination is respectively provided with rear yoke and the yoke after described
The tooth of protrusion；And
Insulating part is respectively arranged in the multiple lamination,
The insulating part installed at adjacent lamination, via the connection with the intensity higher than the intensity of the insulating part
Pin is linked,
The connecting pin is conductive, and has to the length for reaching the built-in rear yoke in the insulating part.
2. stator according to claim 1, which is characterized in that
The magnet-wire of wiring is carried out between the adjacent insulating part and the connecting pin has carried out wiring.
3. stator according to claim 2, which is characterized in that
The magnet-wire that wiring is carried out between the adjacent insulating part is wrapped in the connecting pin.
4. stator according to claim 1, which is characterized in that
The connecting pin guides the magnet-wire that wiring is carried out between the adjacent insulating part to the diameter of the stator core
Outward.
5. stator according to any one of claim 1 to 4, which is characterized in that
The insulating part has the 1st insulation division installed at the rear yoke and the 2nd insulation division installed at the tooth,
1st insulation division is respectively set at the both ends with the 1st insulation division in the circumferential direction of the stator core
Pin insertion hole,
The connecting pin,
Axial overlap of the respectively arranged pin insertion hole along the stator core at by adjacent the 1st insulation division
Under state, it is inserted into the pin insertion hole of the two.
6. stator according to claim 5, which is characterized in that
One of adjacent described insulating part, can centered on the connecting pin for being inserted into the pin insertion hole to institute
Axial orthogonal direction is stated to be rotated.
7. a kind of motor, wherein
With stator according to any one of claim 1 to 6.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2016/061416 WO2017175358A1 (en) | 2016-04-07 | 2016-04-07 | Stator and electric motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107484437A CN107484437A (en) | 2017-12-15 |
| CN107484437B true CN107484437B (en) | 2019-08-06 |
Family
ID=57800024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680002369.3A Expired - Fee Related CN107484437B (en) | 2016-04-07 | 2016-04-07 | Stator and motor |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6062134B1 (en) |
| CN (1) | CN107484437B (en) |
| TW (1) | TWI603566B (en) |
| WO (1) | WO2017175358A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021176706A1 (en) * | 2020-03-06 | 2021-09-10 | 三菱電機株式会社 | Stator and electric motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000201458A (en) * | 1998-06-30 | 2000-07-18 | Mitsubishi Electric Corp | Iron core device and its manufacture |
| JP2010110048A (en) * | 2008-10-28 | 2010-05-13 | Asmo Co Ltd | Insulator, stator, and manufacturing method for stators |
| CN202940649U (en) * | 2012-11-12 | 2013-05-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator and electric motor and compressor having same |
| CN103812236A (en) * | 2012-11-12 | 2014-05-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator and manufacturing method thereof, motor with stator and compressor with stator |
| CN103872828A (en) * | 2012-12-18 | 2014-06-18 | 山洋电气株式会社 | Axial flow fan |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11136915A (en) * | 1997-10-31 | 1999-05-21 | Mitsuhiro Fukada | Permanent magnet type power generator |
| US6989618B2 (en) * | 2001-04-18 | 2006-01-24 | Nsk Ltd. | Rolling bearing with built-in motor |
| US20080122303A1 (en) * | 2006-11-07 | 2008-05-29 | Asmo Co., Ltd. | Direct-current motor and manufacturing method for the direct-current motor |
| DE112007002887T5 (en) * | 2006-11-27 | 2009-09-24 | Honda Motor Co., Ltd. | Apparatus for producing a toroidal core, process for producing a toroidal core and toroidal core produced by this process |
| JP2012075215A (en) * | 2010-09-28 | 2012-04-12 | Nidec Sankyo Corp | Stator |
-
2016
- 2016-04-07 JP JP2016558824A patent/JP6062134B1/en not_active Expired - Fee Related
- 2016-04-07 WO PCT/JP2016/061416 patent/WO2017175358A1/en active Application Filing
- 2016-04-07 CN CN201680002369.3A patent/CN107484437B/en not_active Expired - Fee Related
- 2016-08-30 TW TW105127859A patent/TWI603566B/en not_active IP Right Cessation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000201458A (en) * | 1998-06-30 | 2000-07-18 | Mitsubishi Electric Corp | Iron core device and its manufacture |
| JP2010110048A (en) * | 2008-10-28 | 2010-05-13 | Asmo Co Ltd | Insulator, stator, and manufacturing method for stators |
| CN202940649U (en) * | 2012-11-12 | 2013-05-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator and electric motor and compressor having same |
| CN103812236A (en) * | 2012-11-12 | 2014-05-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator and manufacturing method thereof, motor with stator and compressor with stator |
| CN103872828A (en) * | 2012-12-18 | 2014-06-18 | 山洋电气株式会社 | Axial flow fan |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI603566B (en) | 2017-10-21 |
| WO2017175358A1 (en) | 2017-10-12 |
| JPWO2017175358A1 (en) | 2018-04-12 |
| CN107484437A (en) | 2017-12-15 |
| TW201737595A (en) | 2017-10-16 |
| JP6062134B1 (en) | 2017-01-18 |
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Legal Events
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|---|---|---|---|
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 Termination date: 20210407 |