CN108565997A - prefabricated stator punching, motor stator and motor - Google Patents
prefabricated stator punching, motor stator and motor Download PDFInfo
- Publication number
- CN108565997A CN108565997A CN201810163767.4A CN201810163767A CN108565997A CN 108565997 A CN108565997 A CN 108565997A CN 201810163767 A CN201810163767 A CN 201810163767A CN 108565997 A CN108565997 A CN 108565997A
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- China
- Prior art keywords
- straight line
- stator
- teeth portion
- stator punching
- yoke portion
- Prior art date
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- 238000004080 punching Methods 0.000 title claims abstract description 168
- 238000004804 winding Methods 0.000 claims abstract description 75
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 37
- 238000005452 bending Methods 0.000 claims description 28
- 238000003475 lamination Methods 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 8
- 239000002699 waste material Substances 0.000 abstract description 14
- 238000002360 preparation method Methods 0.000 abstract description 4
- 239000011162 core material Substances 0.000 description 59
- 238000010276 construction Methods 0.000 description 15
- 239000000463 material Substances 0.000 description 13
- 239000000243 solution Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000006978 adaptation Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 238000005457 optimization Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910000976 Electrical steel Inorganic materials 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000003781 tooth socket Anatomy 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
- H02K1/165—Shape, form or location of the slots
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/022—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with salient poles or claw-shaped poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/024—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with 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
-
- 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
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
- H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/15—Sectional machines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/30—Reducing waste in manufacturing processes; Calculations of released waste quantities
Abstract
The present invention proposes a kind of prefabricated stator punching, motor stator and motor, wherein prefabricated stator punching includes：The first straight line stator punching that can be separated from each other and second straight line stator punching；First straight line stator punching includes：The first straight line teeth portion that first straight line yoke portion and multiple length directions along first straight line yoke portion are spaced apart；Second straight line stator punching includes：The second straight line teeth portion that the second straight line yoke portion and multiple length directions along second straight line yoke portion being arranged side by side with first straight line yoke portion are spaced apart, wherein, first straight line teeth portion is parallel with second straight line teeth portion to be arranged alternately, and adjacent first straight line teeth portion is bonded setting with second straight line teeth portion or has specified gap.Technical solution through the invention can reduce the generation of waste material in preparation process, simplify wire winding, and the width of straight line teeth portion can also be made to maximize setting, and then be conducive to prevent the stator core for preparing generation from the serious phenomenon of magnetic saturation occur.
Description
Technical field
The present invention relates to motor fields, in particular to a kind of prefabricated stator punching, a kind of motor stator and a kind of electricity
Machine.
Background technology
Currently, the stator core majority of motor is integrally punched using silicon steel sheet, however this manufacture is being processed
It will produce a large amount of waste material in the process so that core material utilization rate declines, and cost steeply rises.
In the related technology, in order to improve the utilization rate of material, stator punching is using double system by the way of flinging then winding
At, but the width of the coiling groove depth of this processing method, the length of tooth boot portion, straight line teeth portion mutually restricts, in preparation process
In there is also following defects：
(1) after opposite linear stator stator punching punching, a large amount of waste materials is will produce between adjacent straight line teeth portion, are led
Cause increases the processing cost of motor.
(2) the stator tooth boots for being set to the end of straight line teeth portion limit the width of winding slot, cause to increase coiling work
Skill difficulty.
Invention content
At least one in order to solve the above-mentioned technical problem, it is an object of the present invention to provide a kind of prefabricated stators to rush
Piece.
It is another object of the present invention to provide a kind of motor stators.
The present invention's is designed to provide a kind of motor at one.
To achieve the goals above, the first aspect of the present invention proposes a kind of prefabricated stator punching, including：It can be mutual
The first straight line stator punching of separation and second straight line stator punching；First straight line stator punching includes：First straight line yoke portion with
And the first straight line teeth portion that multiple length directions along first straight line yoke portion are spaced apart；Second straight line stator punching includes：With
What second straight line yoke portion arranged side by side of first straight line yoke portion and multiple length directions along second straight line yoke portion were spaced apart
Second straight line teeth portion, wherein the root of first straight line teeth portion is fixedly attached to the inner side edge in first straight line yoke portion, first straight line tooth
Second straight line yoke portion is extended at the top of portion, the root of second straight line teeth portion is fixedly attached to the inner side edge in second straight line yoke portion,
First straight line yoke portion is extended at the top of second straight line teeth portion, first straight line teeth portion is parallel with second straight line teeth portion to be arranged alternately,
Adjacent first straight line teeth portion is bonded setting with second straight line teeth portion or has specified gap.
In the technical scheme, by setting by first straight line stator punching and second straight line prefabricated stator punching to
The splicing construction for the double-row punching sheet that stator punching is spliced, to be directly separated by lock out operation, in splicing construction, first
First straight line teeth portion in linear stator punching is parallel with the second straight line teeth portion on second straight line stator punching to be arranged alternately, and
And adjacent first straight line teeth portion is bonded with second straight line teeth portion or the gap with specified size.
On the one hand, the motor stator made of the prefabricated stator punching eliminates stator tooth boots structure, can be by reasonable
The width of the stator outer diameter of stator core, the pole slot number of motor and straight line teeth portion that optimization is prepared by the prefabricated stator punching
Etc. parameters, with maximize reduce double-row punching sheet teeth portion and teeth portion between waste material, and then reduce material waste, to reduce electricity
The manufacturing cost of machine, and promote the performance of motor, on the other hand, between adjacent first straight line teeth portion and second straight line teeth portion between
Gap or gap with specified size can make the width of straight line teeth portion maximize optimization, and then be conducive to prevent from preparing to generate
Stator core there is the serious phenomenon of magnetic saturation.
Specifically, after multiple silicon steel sheet superpositions, after blanking operation, prefabricated stator punching, prefabricated stator punching are formed
After separation, first straight line stator punching and second straight line stator punching are formed, wherein first straight line stator punching and second straight line
Stator punching may be the same or different, and when first straight line stator punching is identical as second straight line stator punching, first is straight
Forming the identical stator core of structure after line stator punching and the bending of second straight line stator punching divides valve, stator core that valve is divided to fix
Stator core is formed after assembling.
Wherein, the first straight line yoke portion side opposite with second straight line yoke portion is inner side edge, and first straight line yoke portion is straight with second
The opposite side in line yoke portion is outer side edges, and before the bend, straight line yoke portion is vertically arranged with straight line teeth portion, after the bend, straight line
Yoke portion forms arc yoke portion.
In addition, the prefabricated stator punching in above-described embodiment provided by the invention can also have following supplementary technology special
Sign：
In the above-mentioned technical solutions, it is preferable that when first straight line teeth portion is bonded setting with second straight line teeth portion, first is straight
Line stator punching is detached with second straight line stator punching along the profile of first straight line teeth portion and the profile of second straight line teeth portion；
When having specified gap between first straight line teeth portion and second straight line teeth portion, first straight line stator punching is rushed with second straight line stator
The top profile of straight line teeth portion of the piece between two adjacent specified gaps detaches, wherein first straight line stator punching with
After the separation of second straight line stator punching, the first winding slot is constructed between adjacent two first straight line teeth portion, adjacent two
The second winding slot is constructed between a second straight line teeth portion.
In the technical scheme, before the straight line customization punching separation mutually spliced, first straight line teeth portion is filled in second
In winding slot, second straight line teeth portion is filled in the first winding slot, and after isolation, adjacent two the first teeth portion structures are enclosed and set out
First winding slot, adjacent two the second teeth portion structures enclose and set out the second winding slot, by removing stator tooth boots structure, winding slot
Width of rebate it is identical as the distance between two adjacent straight line teeth portion, with same outer diameter in the prior art and it is identical around
Wire casing number and be provided with the motor stator of stator tooth boots structure and compare, the width of rebate of winding slot can be increased, so that external
It is directly inserted in straight line teeth portion after the molding of coiling wire frame, while simplifying wire winding, improves the space profit of winding slot
With rate.
In addition, after first straight line stator punching is detached with second straight line stator punching along the top profile of straight line teeth portion,
It constructs to form winding slot in the corresponding remaining area of the top profile of straight line teeth portion, bottom profile and the straight line teeth portion of winding slot
Top profile overlaps setting, while ensure that the length of straight line teeth portion, ensure that the depth of winding slot, and then can reduce
Copper loss and winding loss, to promote motor operation efficiency.
In any of the above-described technical solution, it is preferable that first straight line yoke portion is identical as the shape in second straight line yoke portion and phase
To setting, first straight line teeth portion is identical as the shape of second straight line teeth portion, and first straight line stator punching is determined with second straight line
The construction of sub- punching is identical structure.
In the technical scheme, by the way that first straight line stator punching and second straight line stator punching are configured to identical knot
Structure can make the arcuate stator iron core being bent to form by first straight line stator punching divide valve, and by second straight line stator punching
The arcuate stator iron core being bent to form divide valve be applied to same specification stator core preparation.
In any of the above-described technical solution, it is preferable that uniformly opened along its length in the outer side edges in first straight line yoke portion
Equipped with multiple first dashpots, it is uniformly provided with multiple second bufferings along its length in the outer side edges in second straight line yoke portion
Slot, wherein the first dashpot is correspondingly arranged one by one with the first winding slot, the second dashpot with the second winding slot is corresponding one by one sets
It sets.
In the technical scheme, by opening up multiple first dashpots in the outer side edges in first straight line yoke portion respectively,
Multiple second dashpots are opened up in the outer side edges in second straight line yoke portion, i.e., in the same linear stator punching, dashpot with it is straight
Line teeth portion is respectively arranged at the both sides in straight line yoke portion, and in straight line yoke portion bending process, dashpot gradually tapers up setting, with straight
When line yoke portion is bent to arc yoke portion, the two sides of dashpot are bonded completely, and straight line teeth portion is set to far relative to arc yoke portion
The side of the off-axis heart, accordingly, on the stator core that the arcuate stator iron core that linear stator punching is formed divides valve to be spliced into, directly
Line teeth portion is circumferentially distributed on the periphery of stator yoke, and default minor structure is formed to construct.
Specifically, multiple dashpots are arranged in upper interval along its length in straight line yoke portion, are located at and straight line in dashpot
When on the side in the opposite straight line yoke portion of teeth portion, the side along the straight line yoke portion where dashpot is bent inwardly, forms outer turn
The arcuate stator of sub-motor divides valve, on the one hand, by compressing multiple dashpots, can buffer straight line yoke portion in bending camber
The metal tension generated in the process reduces the deflection that stator core divides valve, is adaptation shape by the way that dashpot is arranged on the other hand
Shape, after ensureing straight line yoke portion's bending camber, stitching portion can complete to splice, and will not generate gap in stitching portion.
Dashpot can by with specified angle first side portion, the second side edge and be set to first side portion with
Circular contour between the second side edge is connected with each other construction and is formed, wherein after linear stator punching bending, opposite first
Side portion is overlapped with the second side edge.
In any of the above-described technical solution, it is preferable that third dashpot is offered in the bottom of each first winding slot,
The bottom of each second winding slot offers the 4th dashpot.
In the technical scheme, dashpot is opened in the bottom of winding slot, i.e., in the same linear stator punching, is delayed
When jet-bedding and straight line teeth portion be may be contained on the inner side edge in straight line yoke portion, along the straight line yoke portion where dashpot side inwardly
Bending, forms the arc-shaped iron core divided stator valve of inner rotor motor, on the one hand, by compressing multiple dashpots, can buffer straight line
The metal tension that yoke portion generates during bending camber reduces the deflection that stator core divides valve, on the other hand, passes through
It is adaptation shape that dashpot, which is arranged, and after ensureing straight line yoke portion's bending camber, stitching portion can complete to splice, will not be in stitching portion
Generate gap.
In any of the above-described technical solution, it is preferable that the one end in straight line yoke portion offers card slot, the other end in straight line yoke portion
Being provided with being capable of buckle compatible with card slot.
In the technical scheme, the one end in straight line yoke portion opens up card slot, and is arranged in the other end and buckles, fixed in multiple straight lines
Sub- punching heap poststack, card slot is formed by blanking operation at one end, is formed and is buckled in the other end, and arc is formed by bending technique
Stator core divide valve after, two adjacent arcuate stator iron cores divide the adjacent end portion of valve to be correspondingly arranged buckle and card slot, pass through
Card slot and the stator core for dividing valve to be spliced into circular ring shape stator core that is clasped realize splicing positioning.
In any of the above-described technical solution, it is preferable that be provided with lamination bulge-structure on the end face in straight line yoke portion.
In the technical scheme, by the way that lamination bulge-structure is arranged, the linear stator punching in stacking process is realized
Pre-determined bit, so as to the compactness and reliability of advantageous stator punching heap poststack.
In any of the above-described technical solution, it is preferable that the side of first straight line teeth portion and/or the side of second straight line teeth portion
Offer hatch frame, wherein hatch frame is arc opening or wedge-like opening.
The second aspect of the present invention proposes a kind of motor stator, including：Stator core, by multiple arcs stator core point
Valve is circumferentially spliced to form from beginning to end, and arcuate stator iron core divides valve by multiple as described in any technical solution in first aspect present invention
Linear stator punching heap poststack bending construction formed；Winding coil is set around in the straight line teeth portion of motor stator.
In the technical scheme, stator core is splitted structure before the forming, i.e. multiple arcs stator core divides valve, arc
Stator core divides valve to be laminated by multiple linear stator punchings to bend, and the structure of linear stator punching is short and small, is conducive to be punched
With saving material.
Wherein, the lamination bulge-structure being set in the main body on stator punching can favorably reinforce stator punching heap poststack
Compactness and reliability.
In the above-mentioned technical solutions, it is preferable that divide in valve one of two adjacent arcuate stator iron cores is provided with this hair
Buckle described in the technical solution of bright first aspect, another is provided with described in the technical solution of first aspect present invention
Card slot is coordinated by buckle and card slot, makes two adjacent arcuate stator iron cores that valve be divided to connect；Multiple arcs stator core divides valve
By it is following any one connect fixed form and fix：Two adjacent arcuate stator iron cores divide valve by being welded and fixed；Multiple arcs
Shape stator core divides valve to be fixed by being molded；Multiple arcs stator core divides valve fixed by being individually fixed in Insulating frame.
In the technical scheme, by dividing adjacent arc-shaped iron core the junction of valve to pass through welding, injection molding or insulation frame
The modes such as frame are fixed, and the overall construction intensity and multiple arcs iron core that can further promote stator core divide the opposite of valve
The stability of position.
The third aspect of the present invention proposes a kind of motor, including：Such as any technical solution institute of second aspect of the present invention
The motor stator stated；Rotor is sheathed on the outside or inside of motor stator.
In the technical scheme, motor includes motor stator and rotor, and motor stator is described in above-mentioned technical proposal
Motor stator, wherein dashpot in the same linear stator punching is respectively arranged at straight line yoke portion with straight line teeth portion
When both sides, construction forms inner-stator iron core, and motor stator is located in rotor and rotor can be revolved with respect to motor stator
Turn, in the same linear stator punching, when dashpot be may be contained with straight line teeth portion on the inner side edge in straight line yoke portion, constructs shape
At external stator core, motor stator is located at outside rotor and rotor can be rotated relative to motor stator.
One or more technical solutions provided herein, have at least the following technical effects or advantages：
(1) by the way that prefabricated stator punching, and gap between adjacent first straight line teeth portion and second straight line teeth portion is arranged
Or the gap with specified size, the width of straight line teeth portion can be made to maximize optimization, and then be conducive to prevent from preparing generation
There is the serious phenomenon of magnetic saturation in stator core.
(2) by removing tooth boots structure, the stator core that can be prepared by the prefabricated stator punching by reasonably optimizing
Stator outer diameter, the pole slot number of motor and the parameters such as width of straight line teeth portion, with maximize reduce the teeth portion of double-row punching sheet with
Waste material between teeth portion, and then the waste of material is reduced, to reduce the manufacturing cost of motor.
(3) by remove stator tooth boots structure, between the width of rebate of winding slot and two adjacent straight line teeth portion away from
From identical, with same outer diameter in the prior art and identical coiling slot number and be provided with the motor stator of stator tooth boots structure
It compares, the width of rebate of winding slot can be increased, so as to be directly inserted in straight line teeth portion after external coiling wire frame molding, in simplification
While wire winding, the space availability ratio of winding slot is improved.
(4) multiple first dashpots are opened up in the outer side edges in first straight line yoke portion respectively, in the outer of second straight line yoke portion
Multiple second dashpots are opened up on side, or open up multiple third dashpots on the inner side edge in first straight line yoke portion, second
Multiple 4th dashpots are opened up on the inner side edge in straight line yoke portion, by compressing multiple dashpots, can buffer straight line yoke portion curved
The metal tension generated during being converted into arc reduces the deflection that stator core divides valve, is adaptation by the way that dashpot is arranged
Shape, after ensureing straight line yoke portion's bending camber, stitching portion can complete to splice, and will not generate gap in stitching portion.
The additional aspect and advantage of the present invention will become apparent in following description section, or practice through the invention
Recognize.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 shows the structural schematic diagram of prefabricated stator punching according to an embodiment of the invention；
Fig. 2 shows the structural schematic diagrams of prefabricated stator punching according to another embodiment of the invention；
Fig. 3 shows the structural schematic diagram of linear stator punching according to an embodiment of the invention；
Fig. 4 shows that arcuate stator iron core according to an embodiment of the invention divides the planar structure schematic diagram of valve；
Fig. 5 shows the planar structure schematic diagram of stator core according to an embodiment of the invention；
Fig. 6 shows the planar structure schematic diagram of external rotor electric machine according to an embodiment of the invention.
Wherein, the correspondence in Fig. 1 to Fig. 6 between reference numeral and component names is：
10 prefabricated stator punchings, 102 first straight line stator punchings, 1022 first straight line yoke portions, 1024 first straight line teeth portion,
1026 first winding slots, 1,028 first dashpots, 1030 third dashpots, 102' second straight line stator punchings, 1022' second are straight
Line yoke portion, 1024' second straight line teeth portion, the second winding slots of 1026', the second dashpots of 1028', the 4th dashpots of 1030', 104
Specified gap, 106 card slots, 108 buckles, 110 lamination bulge-structures, 112 hatch frames, 20 stator cores divide valve, 30 motors fixed
Son, 40 rotors, 1 external rotor electric machine.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Prefabricated stator punching according to some embodiments of the invention is described referring to Fig. 1 and Fig. 6.
As shown in Figures 1 and 2, generating a large amount of waste materials for customization punching existing in the prior art causes motor to be processed into
It the problem of this raising and the limitation of coiling well width lead to the increase of wire winding difficulty, proposes according to an embodiment of the invention
A kind of prefabricated stator punching, including：The first straight line stator punching 102 that can be separated from each other and second straight line stator punching
102'；First straight line stator punching 102 includes：First straight line yoke portion 1022 and multiple length along first straight line yoke portion 1022
The first straight line teeth portion 1024 that direction is spaced apart；Second straight line stator punching 102' includes：Simultaneously with first straight line yoke portion 1022
Arrange the second straight line yoke portion 1022' being arranged and multiple length directions along second straight line yoke portion 1022' are spaced apart second
Straight line teeth portion 1024', wherein the root of first straight line teeth portion 1024 is fixedly attached to the inner side edge in first straight line yoke portion 1022,
The top of first straight line teeth portion 1024 extends to second straight line yoke portion 1022', and the root of second straight line teeth portion 1024' is fixedly connected
To the inner side edge of second straight line yoke portion 1022', first straight line yoke portion 1022 is extended at the top of second straight line teeth portion 1024', the
One straight line teeth portion 1024 is parallel with second straight line teeth portion 1024' to be arranged alternately, and adjacent first straight line teeth portion 1024 and second is directly
The 1024' fittings setting of line teeth portion has specified gap 104.
In this embodiment, by setting by first straight line stator punching 102 and second prefabricated stator punching 10 to
The splicing construction for the double-row punching sheet that linear stator punching 102' is spliced is tied with being directly separated by lock out operation in splicing
In structure, second on first straight line teeth portion 1024 and second straight line stator punching 102' on first straight line stator punching 102 is straight
Line teeth portion 1024' is parallel to be arranged alternately, and adjacent first straight line teeth portion 1024 is bonded or has with second straight line teeth portion 1024'
There is the gap of specified size.
On the one hand, the motor stator 30 made of the prefabricated stator punching 10 eliminates stator tooth boots structure, can pass through
The stator outer diameter for the stator core that reasonably optimizing is prepared by the prefabricated stator punching 10, the pole slot number of motor and straight line teeth portion
The parameters such as width, to maximize the waste material between the teeth portion and teeth portion that reduce double-row punching sheet, and then reduce the waste of material, with
The manufacturing cost of motor is reduced, and promotes the performance of motor, on the other hand, adjacent first straight line teeth portion 1024 and second straight line
Gap or the gap with specified size between teeth portion 1024' can make the width of straight line teeth portion maximize optimization, and then advantageous
There is the serious phenomenon of magnetic saturation in preventing the stator core for preparing generation.
Specifically, after multiple silicon steel sheet superpositions, after blanking operation, prefabricated stator punching 10, prefabricated stator punching are formed
After piece 10 detaches, first straight line stator punching 102 and second straight line stator punching 102' is formed, wherein first straight line stator rushes
Piece 102 may be the same or different with second straight line stator punching 102', straight in first straight line stator punching 102 and second
When line stator punching 102' is identical, structure is formed after first straight line stator punching 102 and the 102' bendings of second straight line stator punching
Identical stator core forms stator core after dividing valve 20, stator core that valve 20 is divided to fix assembling.
Wherein, the side opposite with second straight line yoke portion 1022' of first straight line yoke portion 1022 is inner side edge, first straight line yoke portion
1022 sides opposite with second straight line yoke portion 1022' are outer side edges, and before the bend, straight line yoke portion is vertical with straight line teeth portion to be set
It sets, after the bend, straight line yoke portion forms arc yoke portion.
Embodiment one：
As shown in Figures 1 and 3, in the above embodiment, it is preferable that in first straight line teeth portion 1024 and second straight line teeth portion
When 1024' fitting settings, first straight line stator punching 102 and second straight line stator punching 102' is along first straight line teeth portion 1024
The profile of profile and second straight line teeth portion 1024' detach；Between first straight line teeth portion 1024 and second straight line teeth portion 1024'
When with specified gap 104, first straight line stator punching 102 and second straight line stator punching 102' are between adjacent two specified
The top profile of straight line teeth portion between gap 104 detaches, wherein is rushed in first straight line stator punching 102 and second straight line stator
After piece 102' separation, the first winding slot 1026 is constructed between adjacent two first straight line teeth portion 1024, at adjacent two
The second winding slot 1026' is constructed between second straight line teeth portion 1024'.
In this embodiment, before the straight line customization punching separation mutually spliced, first straight line teeth portion 1024 is filled in the
In two winding slot 1026', second straight line teeth portion 1024' is filled in the first winding slot 1026, after isolation, adjacent two
One teeth portion structure, which is enclosed, sets out the first winding slot 1026, and adjacent two the second teeth portion structures, which are enclosed, sets out the second winding slot 1026', leads to
Removal stator tooth boots structure is crossed, the width of rebate of winding slot is identical as the distance between two adjacent straight line teeth portion, and existing
Same outer diameter and identical coiling slot number in technology and be provided with the motor stator 30 of stator tooth boots structure and compare, Neng Gouzeng
Add the width of rebate of winding slot, so as to be directly inserted in straight line teeth portion after external coiling wire frame molding, simplifies wire winding
While, improve the space availability ratio of winding slot.
In addition, top profiles of the first straight line stator punching 102 and second straight line stator punching 102' along straight line teeth portion
After separation, construct to form winding slot in the corresponding remaining area of the top profile of straight line teeth portion, the bottom profile of winding slot with it is straight
The top profile of line teeth portion overlaps setting, while ensure that the length of straight line teeth portion, ensure that the depth of winding slot, in turn
Copper loss and winding loss can be reduced, to promote motor operation efficiency.
In any of the above-described embodiment, it is preferable that the shape phase in first straight line yoke portion 1022 and second straight line yoke portion 1022'
It together and is oppositely arranged, first straight line teeth portion 1024 is identical as the shape of second straight line teeth portion 1024', and first straight line stator is rushed
Piece 102 is identical structure with the construction of second straight line stator punching 102'.
As shown in figure 5, being bent using the identical first straight line stator punching 102 and second straight line stator punching 102' of structure
The stator core 30 being spliced to form afterwards offers identical first winding slot, the 1026 and second winding slot 1026' of structure respectively.
In this embodiment, by the way that first straight line stator punching 102 and second straight line stator punching 102' are configured to phase
Same structure can make the arcuate stator iron core being bent to form by first straight line stator punching 102 divide valve 20, and by second straight line
The arcuate stator iron core that stator punching 102' is bent to form divide valve 20 be applied to same specification stator core preparation.
Embodiment two：
As shown in Figures 1 and 3, in any of the above-described embodiment, it is preferable that in the outer side edges in first straight line yoke portion 1022
It is uniformly provided with multiple first dashpots 1028 along its length, in the outer side edges upper edge length side of second straight line yoke portion 1022'
To being uniformly provided with multiple second dashpot 1028', wherein the first dashpot 1028 with the first winding slot 1026 is corresponding one by one sets
It sets, the second dashpot 1028' is correspondingly arranged one by one with the second winding slot 1026'.
In this embodiment, by opening up multiple first dashpots in the outer side edges in first straight line yoke portion 1022 respectively
1028, multiple second dashpot 1028' are opened up in the outer side edges of second straight line yoke portion 1022', i.e., in the same linear stator
In punching, dashpot and straight line teeth portion are respectively arranged at the both sides in straight line yoke portion, in straight line yoke portion bending process, dashpot by
Taper contracting setting, with when straight line yoke portion is bent to arc yoke portion, the two sides of dashpot are bonded completely, straight line teeth portion relative to
Arc yoke portion is set to the side far from axle center, accordingly, divides valve 20 to spell in the arcuate stator iron core that linear stator punching is formed
On the stator core being connected into, straight line teeth portion is circumferentially distributed on the periphery of stator yoke, and default minor structure is formed to construct.
Specifically, multiple dashpots are arranged in upper interval along its length in straight line yoke portion, are located at and straight line in dashpot
When on the side in the opposite straight line yoke portion of teeth portion, the side along the straight line yoke portion where dashpot is bent inwardly, forms outer turn
The arcuate stator of sub-motor divides valve, on the one hand, by compressing multiple dashpots, can buffer straight line yoke portion in bending camber
The metal tension generated in the process reduces the deflection that stator core divides valve 20, is adaptation by the way that dashpot is arranged on the other hand
Shape, after ensureing straight line yoke portion's bending camber, as shown in figs. 4 and 5, stitching portion can complete to splice, will not be in stitching portion
Generate gap.
Dashpot can by with specified angle first side portion, the second side edge and be set to first side portion with
Circular contour between the second side edge is connected with each other construction and is formed, wherein after linear stator punching bending, opposite first
Side portion is overlapped with the second side edge.
Embodiment three：
As shown in Fig. 2, in any of the above-described embodiment, it is preferable that offered in the bottom of each first winding slot 1026
Third dashpot 1030 offers the 4th dashpot 1030' in the bottom of each second winding slot 1026'.
In this embodiment, dashpot is opened in the bottom of winding slot, i.e., in the same linear stator punching, buffering
When slot be may be contained with straight line teeth portion on the inner side edge in straight line yoke portion, the inside lateral bending in side along the straight line yoke portion where dashpot
Folding, forms the arc-shaped iron core divided stator valve of inner rotor motor, on the one hand, by compressing multiple dashpots, can buffer straight line yoke
The metal tension that portion generates during bending camber reduces the deflection that stator core divides valve 20, on the other hand, passes through
It is adaptation shape that dashpot, which is arranged, and after ensureing straight line yoke portion's bending camber, stitching portion can complete to splice, will not be in stitching portion
Generate gap.
As shown in Figures 1 to 5, in any of the above-described embodiment, it is preferable that the one end in straight line yoke portion offers card slot 106,
The other end in straight line yoke portion is provided with being capable of buckle compatible with card slot 106 108.
In this embodiment, the one end in straight line yoke portion opens up card slot 106, and in other end setting buckle 108, multiple straight
Line stator punching heap poststack, forms card slot 106 by blanking operation at one end, buckle 108 is formed in the other end, by bending work
After the stator core of skill formation arc divides valve 20, two adjacent arcuate stator iron cores divide the adjacent end portion of valve 20 to be correspondingly arranged card
Button 108 and card slot 106 divide stator core to the stator iron that valve 20 is spliced into circular ring shape by card slot 106 and 108 cooperation of buckle
Core realizes splicing positioning.
As shown in Figures 1 to 5, in any of the above-described embodiment, it is preferable that be provided with lamination on the end face in straight line yoke portion
Bulge-structure 110.
In this embodiment, by the way that lamination bulge-structure 110 is arranged, the linear stator punching in stacking process is realized
Pre-determined bit, so as to the compactness and reliability of advantageous stator punching heap poststack.
In any of the above-described embodiment, it is preferable that the side of first straight line teeth portion 1024 and/or second straight line teeth portion
The side of 1024' offers hatch frame 112, wherein hatch frame 112 is arc opening or wedge-like opening.
Example IV：
As shown in Figures 1 and 2, linear stator punching includes the first straight line yoke of two bent cambers disposed in parallel
Portion 1022 and second straight line yoke portion 1022', the straight line teeth portion from a straight line yoke portion to another straight line yoke portion, and it is multiple straight
Length direction parallel arrangement of the line teeth portion along straight line yoke portion, wherein be arranged in straight line teeth portion and the first straight line yoke portion of odd bits
1022 integrated settings, are arranged in the straight line teeth portion and second straight line yoke portion 1022' integrated settings of even bit, and determine respectively
For first straight line teeth portion 1024 and second straight line teeth portion 1024'.
Wherein, along linear extension, multiple straight line teeth portion are each provided at first straight line yoke portion 1022 and second straight line yoke portion 1022'
The same side in straight line yoke portion, and straight line yoke portion is vertical with straight line teeth portion, and straight line teeth portion is of same size, it is preferable that it is multiple
Length direction of the straight line teeth portion preferably along straight line yoke portion is evenly spaced on.
It will be appreciated by those skilled in the art that the particular number of the concrete shape in straight line yoke portion, straight line teeth portion with
And arrangement mode in straight line yoke portion etc. can the optimization of the adaptability change according to specific actual requirement.
For double linear stator punching, the straight line teeth portion of one of linear stator punching extends to another directly
In the winding slot of line stator punching, wherein by the outer diameter, width and straight line teeth portion to straight line teeth portion in linear stator punching
The parameters such as magnetic flux density, cogging torque, copper factor, rated output, permanent magnet pole logarithm optimize, two can have been obtained
Performance and the completely the same linear stator punching of structure, and the equivalent width of the width of straight line teeth portion and winding slot, winding slot
The top profile of bottom profile and straight line teeth portion be completely superposed.
As shown in figure 3, the width of straight line teeth portion is a, the width of winding slot is b, then has b=a.
As shown in Fig. 2, the width of straight line teeth portion can also be only slightly less than the width of winding slot, the bottom profile of winding slot with
The top profile of straight line teeth portion is still consistent, and contact portion can be bonded completely.
The width of straight line teeth portion is c, and the width of winding slot is d, then has d>c.
By the way of double liquidate and pass through reasonably optimizing stator outer diameter, the width etc. of motor pole slot number, straight line teeth portion
Prefabricated stator punching 10 of the parameter to obtain, eliminates stator tooth boots structure in the prior art, maximumlly reduces double punching
Waste material between piece tooth and tooth can greatly reduce the waste of material, greatly improve the utilization rate of material, reduce cost.
The top curve of straight line teeth portion is bonded setting with the holding of the bottom profile of winding slot, on the one hand, so that being oppositely arranged
Arrangement of two linear stator punchings on prefabricated stator punching it is more compact, to further improve the utilization of sheet material
On the other hand rate ensure that the depth of winding slot, to reduce copper loss and winding loss, improve electric efficiency, another further aspect ensures
The width of straight line teeth portion, prevents the serious phenomenon of the magnetic saturation of stator core, and another aspect passes through and cancels tooth boots knot
Structure makes the width of rebate of winding slot increase, and greatly facilitates stator winding and determines, it can be achieved that being inserted in after external coiling wire frame molding
On sub- tooth, simplify wire winding, while improving the utilization rate of tooth socket space, in conjunction with the stator outer diameter of optimization, motor pole slot number,
The advantages such as the parameters such as the width of straight line teeth portion, the output torque for realizing motor is big, and efficiency is high, and vibration noise is low.
Further, spaced multiple dashpots are gone up along its length in straight line yoke portion, wherein in the same straight line
On stator punching, dashpot forms outer stator structure when being set to the homonymy in straight line yoke portion with straight line teeth portion after bending, buffering
When slot is that straight line teeth portion is set to the both sides in straight line yoke portion, default minor structure is formed after bending, in bending process, passes through pressure
Contract multiple dashpots, can buffer the metal tension that straight line yoke portion generates during bending camber, reduces stator core
Divide the deflection of valve 20, and by the way that the shape that dashpot is adaptation is arranged, after ensureing straight line yoke portion's bending camber, stitching portion can
To complete splicing, gap will not be generated in stitching portion.
As shown in Figures 1 and 2, further, the one end in straight line yoke portion is equipped with card slot 106, and the other end is equipped with buckle 108, directly
When line stator punching stacks and is bent into arcuate stator iron core and divides valve 20, by different arcuate stator iron cores respectively on card slot
106 coordinate with buckle 108, divide valve 20 to splice the stator core circularized arcuate stator iron core, stator core divides valve 20 by more
A stator punching, which laminates, to be bent, and the structure at each stator punching end is short and small, is conducive to be punched and save material.
As shown in Fig. 2, further, multiple hatch frames 112 can be arranged in the side of straight line teeth portion, these hatch frames 112
The advantages of not influencing linear stator punching, hatch frame 112 can be arc, wedge shape or other shapes.
Embodiment five：
As shown in figs. 4 and 5, motor stator 30 according to an embodiment of the invention, including：Stator core, by multiple arcs
Shape stator core divides valve 20 to be circumferentially spliced to form from beginning to end, and arcuate stator iron core divides valve 20 by multiple such as above-mentioned any embodiment institute
The linear stator punching heap poststack bending construction stated is formed；Winding coil is set around in the straight line teeth portion of motor stator 30.
In this embodiment, stator core is splitted structure before the forming, i.e. multiple arcs stator core divides valve 20, arc
Stator core divides valve 20 to be laminated by multiple linear stator punchings to bend, and the structure of linear stator punching is short and small, is conducive to rush
Cut out and save material.
Wherein, the lamination bulge-structure 110 being set in the main body on stator punching can favorably reinforce stator punching heap
The compactness and reliability of poststack.
In the above embodiment, it is preferable that divide in valve 20 one of two adjacent arcuate stator iron cores is provided with this hair
Buckle 108 described in the embodiment of bright first aspect, another is provided with described in the embodiment of first aspect present invention
Card slot 106 is coordinated by buckle 108 and card slot 106, makes two adjacent arcuate stator iron cores that valve 20 be divided to connect；Multiple arcs
Stator core divide valve 20 by it is following any one connect fixed form and fix：Two adjacent arcuate stator iron cores divide valve 20 to pass through
It is welded and fixed；Multiple arcs stator core divides valve 20 to be fixed by being molded；It is solid respectively that multiple arcs stator core divides valve 20 to pass through
Due to fixed in Insulating frame.
In this embodiment, by dividing adjacent arc-shaped iron core the junction of valve to pass through welding, injection molding or Insulating frame
Etc. modes fix, can further promote the overall construction intensity of stator core and multiple arcs iron core divides the opposite position of valve
The stability set.
Motor according to an embodiment of the invention, including：Motor stator 30 as described in above-mentioned any embodiment；Motor turns
Son 40, is sheathed on the outside or inside of motor stator 30.
In this embodiment, motor includes motor stator 30 and rotor 40, and motor stator 30 is above-described embodiment institute
The motor stator 30 stated, wherein the dashpot in the same linear stator punching is respectively arranged at straight line yoke with straight line teeth portion
When the both sides in portion, construction forms inner-stator iron core, and motor stator 30 is located in rotor 40 and rotor 40 can be opposite
Motor stator 30 rotates, and in the same linear stator punching, dashpot may be contained within the inside in straight line yoke portion with straight line teeth portion
When on side, construction forms external stator core, and motor stator 30 is located at outside rotor 40 and rotor 40 can be with respect to motor
Stator 30 rotates.
Embodiment six：
As shown in fig. 6, the external rotor electric machine 1 formed is arranged by interior motor stator 30 and outer rotor 40, by same
When dashpot in one linear stator punching is respectively arranged at the both sides in straight line yoke portion with straight line teeth portion, construction forms inner stator
Iron core.
The one or more embodiments provided in the embodiment of the present application, have at least the following technical effects or advantages：
(1) by the way that prefabricated stator punching, and gap between adjacent first straight line teeth portion and second straight line teeth portion is arranged
Or the gap with specified size, the width of straight line teeth portion can be made to maximize optimization, and then be conducive to prevent from preparing generation
There is the serious phenomenon of magnetic saturation in stator core.
(2) by removing tooth boots structure, the stator core that can be prepared by the prefabricated stator punching by reasonably optimizing
Stator outer diameter, the pole slot number of motor and the parameters such as width of straight line teeth portion, with maximize reduce the teeth portion of double-row punching sheet with
Waste material between teeth portion, and then the waste of material is reduced, to reduce the manufacturing cost of motor.
(3) by remove stator tooth boots structure, between the width of rebate of winding slot and two adjacent straight line teeth portion away from
From identical, with same outer diameter in the prior art and identical coiling slot number and be provided with the motor stator of stator tooth boots structure
It compares, the width of rebate of winding slot can be increased, so as to be directly inserted in straight line teeth portion after external coiling wire frame molding, in simplification
While wire winding, the space availability ratio of winding slot is improved.
(4) multiple first dashpots are opened up in the outer side edges in first straight line yoke portion respectively, in the outer of second straight line yoke portion
Multiple second dashpots are opened up on side, or open up multiple third dashpots on the inner side edge in first straight line yoke portion, second
Multiple 4th dashpots are opened up on the inner side edge in straight line yoke portion, by compressing multiple dashpots, can buffer straight line yoke portion curved
The metal tension generated during being converted into arc reduces the deflection that stator core divides valve, is adaptation by the way that dashpot is arranged
Shape, after ensureing straight line yoke portion's bending camber, stitching portion can complete to splice, and will not generate gap in stitching portion.
In the present invention, term " first ", " second ", " third " are only used for the purpose of description, and should not be understood as indicating
Or imply relative importance；Term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " installation ",
The terms such as " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection, can also be can
Dismantling connection, or be integrally connected；" connected " can be directly connected, can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In description of the invention, it is to be understood that the instructions such as term "upper", "lower", "left", "right", "front", "rear"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, specific direction must be had, with specific azimuth configuration and operation by not indicating or implying the indicated device or unit,
It is thus impossible to be interpreted as limitation of the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the present invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of prefabricated stator punching, which is characterized in that including：
The first straight line stator punching that can be separated from each other and second straight line stator punching；
The first straight line stator punching includes：First straight line yoke portion and multiple length directions along first straight line yoke portion
The first straight line teeth portion being spaced apart；
The second straight line stator punching includes：The second straight line yoke portion and multiple being arranged side by side with first straight line yoke portion
The second straight line teeth portion that length direction along second straight line yoke portion is spaced apart, multiple second straight line teeth portion with it is multiple
The first straight line teeth portion is parallel to be arranged alternately, and the adjacent first straight line teeth portion is bonded setting with the second straight line teeth portion
Or there is specified gap,
Wherein, the root of the first straight line teeth portion is fixedly attached to the inner side edge in first straight line yoke portion, and described first is straight
Second straight line yoke portion is extended at the top of line teeth portion, the root of the second straight line teeth portion is fixedly attached to described second directly
The inner side edge in line yoke portion extends to first straight line yoke portion at the top of the second straight line teeth portion.
2. prefabricated stator punching according to claim 1, which is characterized in that
When the first straight line teeth portion is bonded with the second straight line teeth portion setting, the first straight line stator punching with it is described
Second straight line stator punching is along the profile of the first straight line teeth portion and the profile separation of the second straight line teeth portion；
When having the specified gap between the first straight line teeth portion and the second straight line teeth portion, the first straight line is fixed
The top of the straight line teeth portion of sub- punching and the second straight line stator punching between two adjacent specified gaps
Profile detaches,
Wherein, after the first straight line stator punching is detached with the second straight line stator punching, adjacent two described
The first winding slot is constructed between one straight line teeth portion, the second coiling is constructed between two adjacent second straight line teeth portion
Slot.
3. prefabricated stator punching according to claim 2, which is characterized in that
First straight line yoke portion is identical as the shape in second straight line yoke portion and is oppositely arranged, the first straight line teeth portion with
The shape of the second straight line teeth portion is identical, by the structure of the first straight line stator punching and the second straight line stator punching
It makes as identical structure.
4. prefabricated stator punching according to claim 3, which is characterized in that
The length direction described in the outer side edges upper edge in first straight line yoke portion is uniformly provided with multiple first dashpots, described
Length direction described in the outer side edges upper edge in second straight line yoke portion is uniformly provided with multiple second dashpots,
Wherein, first dashpot is correspondingly arranged one by one with first winding slot, second dashpot and described second
Winding slot is correspondingly arranged one by one.
5. prefabricated stator punching according to claim 3, which is characterized in that
Third dashpot is offered in the bottom of each first winding slot, is opened up in the bottom of each second winding slot
There is the 4th dashpot.
6. prefabricated stator punching according to any one of claim 1 to 5, which is characterized in that
The one end in straight line yoke portion offers card slot, and the other end in straight line yoke portion is provided with and can mutually be fitted with the card slot
The buckle matched.
7. prefabricated stator punching according to any one of claim 1 to 5, which is characterized in that
Lamination bulge-structure is provided on the end face in straight line yoke portion.
8. prefabricated stator punching according to any one of claim 1 to 5, which is characterized in that
The side of the first straight line teeth portion and/or the side of the second straight line teeth portion offer hatch frame,
Wherein, the hatch frame is arc opening or wedge-like opening.
9. a kind of motor stator, which is characterized in that including：
Stator core divides valve to be circumferentially spliced to form from beginning to end by multiple arcs stator core, the arcuate stator iron core divide valve by
It is multiple to be formed as linear stator punching heap poststack described in any item of the claim 1 to 8 bending constructs；
Winding coil is set around in the straight line teeth portion of the stator core.
10. motor stator according to claim 9, which is characterized in that
Divide in valve one of two adjacent arcuate stator iron cores is provided with buckle as claimed in claim 6, another
It is provided with card slot as claimed in claim 6, is coordinated with the card slot by the buckle, keeps two adjacent arcs fixed
Sub- iron core divides valve to connect；
The multiple arcuate stator iron core divides valve to be fixed by any one following fixed form：
Two adjacent arcuate stator iron cores divide valve by being welded and fixed；
The multiple arcuate stator iron core divides valve to be fixed by being molded；
The multiple arcuate stator iron core divides valve fixed by being individually fixed in Insulating frame.
11. a kind of motor, which is characterized in that including：
Motor stator as described in claim 9 or 10；
Rotor is sheathed on the outside or inside of the motor stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810163767.4A CN108565997A (en) | 2018-02-27 | 2018-02-27 | prefabricated stator punching, motor stator and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810163767.4A CN108565997A (en) | 2018-02-27 | 2018-02-27 | prefabricated stator punching, motor stator and motor |
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| Publication Number | Publication Date |
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| CN108565997A true CN108565997A (en) | 2018-09-21 |
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ID=63532308
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810163767.4A Pending CN108565997A (en) | 2018-02-27 | 2018-02-27 | prefabricated stator punching, motor stator and motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112564327A (en) * | 2019-09-26 | 2021-03-26 | 安徽美芝精密制造有限公司 | Stator core, stator, motor, compressor and consumer |
| CN113346640A (en) * | 2020-03-02 | 2021-09-03 | 尼得科电机（青岛）有限公司 | Inner stator iron core, stator, motor and electric product |
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| CN208190360U (en) * | 2018-02-27 | 2018-12-04 | 广东威灵电机制造有限公司 | prefabricated stator punching, motor stator and motor |
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| CN102959833A (en) * | 2010-06-25 | 2013-03-06 | 三菱电机株式会社 | Laminated core for dynamo-electric machine |
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| CN112564327A (en) * | 2019-09-26 | 2021-03-26 | 安徽美芝精密制造有限公司 | Stator core, stator, motor, compressor and consumer |
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