CN104467210A - Stator core, stator and motor - Google Patents
Stator core, stator and motor Download PDFInfo
- Publication number
- CN104467210A CN104467210A CN201410663268.3A CN201410663268A CN104467210A CN 104467210 A CN104467210 A CN 104467210A CN 201410663268 A CN201410663268 A CN 201410663268A CN 104467210 A CN104467210 A CN 104467210A
- Authority
- CN
- China
- Prior art keywords
- tooth
- yoke
- sub
- stator core
- thickness
- 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.)
- Pending
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
- H02K1/14—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
- H02K15/06—Embedding prefabricated windings in machines
- H02K15/062—Windings in slots; salient pole windings
-
- 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
- H02K15/08—Forming windings by laying conductors into or around core parts
- H02K15/095—Forming windings by laying conductors into or around core parts by laying conductors around salient poles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention is applicable to the motor field and discloses a stator core, a stator and a motor. The stator core comprises a first fission and a second fission. The first fission comprises a first sub-yoke and a plurality of first teeth, wherein the thickness of the first sub-yoke is smaller than that of the stator core, the first teeth are arranged on the first sub-yoke at intervals in the peripheral direction, and the thickness of each first tooth is identical to that of the stator core. The second fission comprises a second sub-yoke and a plurality of second teeth, wherein the sum of the thickness of the second sub-yoke and the thickness of the first sub-yoke is identical to the thickness of the stator core, the second teeth are arranged on the second sub-yoke at intervals in the peripheral direction, and the thickness of each second tooth is identical to that of the stator core. The first fission and the second fission are laminated in the axial direction in a mode that the first teeth and the second teeth are staggered to form the stator core. The winding efficiency and the coil space factor of the stator core are increased, the performance of the motor is improved, and the material cost of the motor is reduced. Meanwhile, the accuracy of the circular degree of the stator is ensured, and the assembly procedures of the stator are simplified.
Description
Technical field
The invention belongs to machine field, particularly relate to stator core and there is the stator of this stator core, there is the motor of this stator.
Background technology
A kind of classical production process of motor stator is such: first overall stamping-out goes out stator punching, then stator punching is laminated formation one-piece stator iron core, then utilizes coil winding machine coiling stator winding on this one-piece stator iron core.There is following defect in the classical production process of this stator: due to the restriction required by winding space, therefore its copper factor is not high, and the wire casing opening on stator core need design larger, thus have impact on the lifting of motor performance in a particular application.
In order to solve the technical problem in above-mentioned traditional stator manufacture method, prior art proposes the scheme that coiling is carried out in two kinds of stator core splits:
1) scheme is that the stator yoke of stator core is separated a setting completely with stator tooth, and again stator yoke and the stator tooth being arranged with stator winding coil is assembled into one-piece stator after independent coiling on the stator teeth.Although the program solves coiling in traditional stator manufacture method by spatial limitation, technical problem that copper factor is low, but, it is still Shortcomings part in a particular application, is embodied in: the assembling procedure time of stator tooth and stator yoke is long on the one hand, assembling difficulty is large; Reduce the inner circle circularity precision of stator on the other hand.
2) another kind of scheme is along the circumferential direction divided into by stator core some block comminute bodies to arrange, and separately on every block comminute body after independent coiling, more along the circumferential direction spliced by each dividing body being arranged with stator winding coil and be assembled into one-piece stator.Although the program solves coiling in traditional stator manufacture method equally by spatial limitation, technical problem that copper factor is low, it is still Shortcomings part in a particular application, is embodied in: the inner circle circularity precision reducing stator on the one hand; Need on the other hand to carry out welding operation at the joint of each dividing body, operating process is complicated, and whole stator needs to carry out plastic packaging operation, complex procedures, and is unfavorable for the heat radiation of whole stator and alleviating of complete machine weight.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide stator core and there is the stator of this stator core, there is the motor of this stator, which solving that prior art stator core split design causes that stator circularity precision reduces, the technical problem of assembling procedure complexity after coiling.
For achieving the above object, the technical solution used in the present invention is: stator core, comprise the first split and the second split, described first split comprises circumference and to close and thickness is less than the first sub-yoke of the thickness of described stator core and several to be along the circumferential direction located on described first sub-yoke and thickness first tooth equal with the thickness of described stator core at interval, described second split comprises circumference and to close and thickness and the thickness sum of described first sub-yoke equal the second sub-yoke of the thickness of described stator core and several to be along the circumferential direction located on described second sub-yoke and thickness second tooth equal with the thickness of described stator core at interval, described first split and described second split laminate vertically with the form that each described first tooth and each described second tooth stagger respectively mutually and form described stator core.
Particularly, described first tooth comprises and to be wholely set with described first sub-yoke and the thickness first point tooth equal with described first sub-yoke thickness and second point of tooth arranging with described first sub-yoke split, and described second point of tooth laminates and to be fastenedly connected on described first point of tooth and to form described first tooth.
Particularly, described second tooth comprises and to be wholely set with described second sub-yoke and the thickness three point tooth equal with described second sub-yoke thickness and the 4th point of tooth arranging with described second sub-yoke split, and described 4th point of tooth laminates and to be fastenedly connected on described 3rd point of tooth and to form described second tooth.
Particularly, by weld or plastic packaging is fixed or Insulating frame is fixed or buckle connected mode is interconnected between described first sub-yoke with described 4th point of tooth, pass through between described second sub-yoke with described second point of tooth to weld or plastic packaging is fixed or Insulating frame is fixed or buckle connected mode is interconnected.
Preferably, described first sub-yoke is provided with the first card interpolating unit between any two adjacent described first point of tooth, and each described second point of tooth is provided with the second card interpolating unit; Described second sub-yoke is provided with the 3rd card interpolating unit between any two adjacent described 3rd point of teeth, each described 4th point of tooth is provided with the 4th card interpolating unit, each described first card interpolating unit blocks each described 4th card interpolating unit of slotting connection respectively, and each described second card interpolating unit blocks each described 3rd card interpolating unit of slotting connection respectively.
Particularly, the thickness of described first sub-yoke is equal to or greater than or is less than the thickness of described second sub-yoke.
Particularly, described first sub-yoke has the first madial wall and the first lateral wall, and each described first tooth is along the circumferential direction spaced apart on described first madial wall; Described second sub-yoke has the second madial wall and the second lateral wall, and each described second tooth is along the circumferential direction spaced apart on described second madial wall.
Or described first sub-yoke has the first madial wall and the first lateral wall, each described first tooth is along the circumferential direction spaced apart on described first lateral wall; Described second sub-yoke has the second madial wall and the second lateral wall, and each described second tooth is along the circumferential direction spaced apart on described second lateral wall.
Present invention also offers stator, it comprises above-mentioned stator core and is set around the stator winding on described stator core, and described stator winding comprises the first winding coil be set around on described first tooth and the second winding coil be set around on described second tooth.
Present invention also offers motor, it rotor comprising above-mentioned stator and coordinate with described stator.
Stator core provided by the invention and there is the stator of this stator core, there is the motor of this stator, by stator core being divided into vertically the first split and the second split setting, and make the first split have circumference to close and thickness is less than the first sub-yoke of stator core thickness first tooth equal with stator core thickness with several thickness, second split has circumference and to close and thickness and the first sub-yoke thickness sum equal the second sub-yoke of stator core thickness second tooth equal with stator core thickness with several thickness, like this, in concrete production, can on the second tooth first respectively on the first tooth of the first split and in the second split separately after coiling, again the form that the first complete for coiling split and the second split are staggered respectively mutually with each first tooth and each second tooth is vertically laminated formation one-piece stator.Because the first tooth on stator core after finishing assembly and the second tooth are settings of mutually staggering, therefore, make coiling on the first tooth of the first split can have larger winding space, on the second tooth of the second split coiling also there is larger winding space, like this, be beneficial to the winding efficiency improving stator core on the one hand, be beneficial to the copper factor improving stator on the other hand, and under the prerequisite of copper factor raising, can the copper cash forming stator winding be changed into aluminum steel, be beneficial to the material cost of saving stator; Make the wire casing opening on stator core can design less on the one hand again, improve the performance of motor.Meanwhile, because the first sub-yoke and the second sub-yoke are all that circumference is closed, therefore which ensure that the circularity precision of stator, and do not need between the first split and the second split to weld, simplify assembling procedure.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of the stator core of the four groove inner rotor motors that the embodiment of the present invention provides;
Fig. 2 is the assembling schematic diagram of the stator core of the four groove inner rotor motors that the embodiment of the present invention provides;
Fig. 3 is the first winding coil of the four groove inner rotor motors that the embodiment of the present invention provides and the second winding coil schematic diagram of continuous coiling in the first split and the second split respectively;
Fig. 4 is the schematic diagram that the first winding coil of the four groove inner rotor motors that the embodiment of the present invention provides and the second winding coil are interrupted coiling respectively in the first split and the second split;
Fig. 5 is the decomposing schematic representation of the first the first Split type structure of the four groove inner rotor motors that the embodiment of the present invention provides;
Fig. 6 is the decomposing schematic representation of the first the second Split type structure of the four groove inner rotor motors that the embodiment of the present invention provides;
Fig. 7 is the decomposing schematic representation of the second first Split type structure of the four groove inner rotor motors that the embodiment of the present invention provides;
Fig. 8 is the decomposing schematic representation of the second second Split type structure of the four groove inner rotor motors that the embodiment of the present invention provides;
Fig. 9 is the decomposing schematic representation of the third the first Split type structure of the four groove inner rotor motors that the embodiment of the present invention provides;
Figure 10 is the decomposing schematic representation of the third the second Split type structure of the four groove inner rotor motors that the embodiment of the present invention provides;
Figure 11 is the decomposing schematic representation of the 4th kind of the first Split type structure of the four groove inner rotor motors that the embodiment of the present invention provides;
Figure 12 is the decomposing schematic representation of the 4th kind of the second Split type structure of the four groove inner rotor motors that the embodiment of the present invention provides;
Figure 13 is the decomposing schematic representation of the stator core of the six groove inner rotor motors that the embodiment of the present invention provides;
Figure 14 is the assembling schematic diagram of the stator core of the six groove inner rotor motors that the embodiment of the present invention provides;
Figure 15 is the decomposing schematic representation of the stator core of the 12 groove inner rotor motors that the embodiment of the present invention provides;
Figure 16 is the assembling schematic diagram of the stator core of the 12 groove inner rotor motors that the embodiment of the present invention provides;
Figure 17 is the decomposing schematic representation of the stator core of the 12 groove external rotor electric machines that the embodiment of the present invention provides;
Figure 18 is the assembling schematic diagram of the stator core of the 12 groove external rotor electric machines that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Fig. 1 ~ 4 and Figure 13 ~ 18, the stator core 1 that the embodiment of the present invention provides, comprise the first split 11 and the second split 12, first split 11 comprises circumference and to close and thickness (axial width) is less than the first sub-yoke 111 of the thickness of stator core 1 and several to be along the circumferential direction located on the first sub-yoke 111 and thickness first tooth 112 equal with the thickness of stator core 1 at interval, second split 12 comprises circumference and to close and thickness and the thickness sum of the first sub-yoke 111 equal the second sub-yoke 121 of the thickness of stator core 1 and several to be along the circumferential direction located on the second sub-yoke 121 and thickness second tooth 122 equal with the thickness of stator core 1 at interval, first split 11 and the second split 12 to be staggered with each second tooth 122 respectively mutually with each first tooth 112 and the form be arranged alternately laminates vertically and forms stator core 1.A wire casing 100 is formed between arbitrary neighborhood first tooth 112 and the second tooth 122.In concrete production, on the second tooth 122 first respectively on the first tooth 112 of the first split 11 and in the secondth split 12 separately after coiling, then the form that the first complete for coiling split 11 and the second split 12 are staggered respectively mutually with each first tooth 112 and each second tooth 122 vertically can be laminated formation one-piece stator.Be arranged alternately because the first tooth 112 and the second tooth 122 on stator core 1 after finishing assembly stagger mutually, therefore, any two adjacent first teeth 112 all between be separated with the space of second tooth 122, between any two adjacent second teeth 122 all between be separated with the space of first tooth 112, thus make coiling on the first tooth 112 of the first split 11 can have larger winding space, on the second tooth 122 of the second split 12, coiling also has larger winding space, like this, be beneficial to the winding efficiency improving stator core 1 on the one hand, be beneficial to the copper factor improving stator on the other hand, and under the prerequisite of copper factor raising, can the copper cash forming stator winding be changed into aluminum steel, be beneficial to the material cost of saving stator, make wire casing 100 opening on stator core 1 can design less on the one hand again, improve the performance of motor.Meanwhile, because the first sub-yoke 111 and the second sub-yoke 121 are all that circumference is closed, therefore which ensure that the circularity precision of stator, and do not need to weld between the first split 11 and the second split 12, simplify assembling procedure.
Particularly, as shown in Fig. 1, Fig. 5, Fig. 7, Fig. 9 and Figure 11, first tooth 112 comprises yoke 111 sub-with first and is wholely set and the thickness first point tooth 1121 equal with the first sub-yoke 111 thickness and laminate with second point of tooth, 1122, second point of tooth 1122 that the first sub-yoke 111 split is arranged and to be fastenedly connected on first point of tooth 1121 and to form the first tooth 112.The present embodiment, first tooth 112 is divided into first point of tooth 1121 and second point of tooth 1122 designing two portions processing, and make the consistency of thickness of first point of tooth 1121 and the first sub-yoke 111, like this, be beneficial to and the first sub-yoke 111 and first point of tooth 1121 can be overrided to form by several the first punchings that integrally stamping-out be formed, second point of tooth 1122 can be overrided to form by several one stamping-out second punchings that be formed, and each second point of tooth 1122 is by riveting button or laser welding or glue is bonding etc. that mode laminates respectively is fixed on each first point of tooth 1121.Because the first punching and the second punching all can be shaping by stamping machine integrated punching, therefore, the manufacture process of the first punching and the second punching is very simple, it is high and be suitable for producing in enormous quantities and manufacture to manufacture efficiency, thus simplify the manufacture process of the first split 11, improve the manufacturing efficiency of the first split 11.
Particularly, as shown in Fig. 1, Fig. 6, Fig. 8, Figure 10 and Figure 12, second tooth 122 comprises yoke 121 sub-with second and is wholely set and the thickness three point tooth 1221 equal with the second sub-yoke 121 thickness and laminate with the 4th point of tooth the 1222, four point of tooth 1222 that the second sub-yoke 121 split is arranged and to be fastenedly connected on the 3rd point of tooth 1221 and to form the second tooth 122.The present embodiment, second tooth 122 is divided into the 3rd point of tooth 1221 and the 4th point of tooth 1222 designing two portions processing, and make the consistency of thickness of the 3rd point of tooth 1221 and the second sub-yoke 121, like this, be beneficial to the 3rd punching that the second sub-yoke 121 and the 3rd tooth can be formed by several one stamping-outs to be overrided to form, 4th point of tooth 1222 can be overrided to form by several one stamping-out the 4th punchings that be formed, and each 4th point of tooth 1222 is by riveting button or laser welding or glue is bonding etc. that mode laminates respectively is fixed on each 3rd point of tooth 1221.Because the 3rd punching and the 4th punching all can be shaping by stamping machine integrated punching, therefore, the manufacture process of the 3rd punching and the 4th punching is very simple, it is high and be suitable for producing in enormous quantities and manufacture to manufacture efficiency, thus simplify the manufacture process of the second split 12, improve the manufacturing efficiency of the second split 12.Simultaneously, due to first point of tooth 1121 and the first sub-yoke 111 be that integrated punching is shaping, the 3rd point of tooth 1221 and the second sub-yoke 121 be that integrated punching is shaping, therefore effectively ensure that the final circularity precision being laminated the stator core 1 formed by the first split 11 and the second split 12.
Particularly, by to weld or plastic packaging is fixed or Insulating frame is fixed or buckle connected mode is interconnected between first sub-yoke 111 with the 4th point of tooth 1222, second sub-yoke 121 with between second point of tooth 1122 by weld or plastic packaging is fixed or Insulating frame is fixed or buckle connected mode is interconnected, like this, being fastenedly connected of the first split 11 and the second split 12 can effectively be realized.
Preferably, as shown in Fig. 1 and Fig. 5 ~ 12, the first sub-yoke 111 is provided with the first card interpolating unit 101 between any two adjacent first point of tooth 1121, and each second point of tooth 1122 is provided with the second card interpolating unit 102; Second sub-yoke 121 is provided with the 3rd card interpolating unit 103 between any two adjacent 3rd point of teeth 1221, each 4th point of tooth 1222 is provided with the 4th card interpolating unit 104, each first card interpolating unit 101 blocks each 4th card interpolating unit 104 of slotting connection respectively, and each second card interpolating unit 102 blocks each 3rd card interpolating unit 103 of slotting connection respectively.First card interpolating unit 101 specifically inserts connection the 4th card interpolating unit 104 along the axis card of stator core 1, second card interpolating unit 102 specifically inserts connection the 3rd card interpolating unit 103 along the axis card of stator core 1, like this, being fastenedly connected of the first split 11 and the second split 12 can effectively be realized.
Preferably, as shown in Fig. 1 and Fig. 5 ~ 12, first card interpolating unit 101 can be recessed the first draw-in groove on the first sub-yoke 111, second card interpolating unit 102 can be the first boss be convexly equipped on second point of tooth 1122,3rd card interpolating unit 103 can be recessed the second draw-in groove on the second sub-yoke 121,4th card interpolating unit 104 can be the second boss be convexly equipped on the 4th point of tooth 1222, like this, inserted by the card of the first boss and the second draw-in groove be connected, the card of the second boss and the first draw-in groove inserts and is connected, and effectively can realize being fastenedly connected of the first split 11 and the second split 12.Of course, in embody rule, first card interpolating unit 101 also can be the 3rd boss be convexly equipped on the first sub-yoke 111, second card interpolating unit 102 can be recessed the 3rd draw-in groove on second point of tooth 1122,3rd card interpolating unit 103 can be the 4th boss be convexly equipped on the second sub-yoke 121,4th card interpolating unit 104 can be recessed the 4th draw-in groove on the 4th point of tooth 1222, like this, inserted by the card of the 3rd boss and the 4th draw-in groove be connected, the card of the 4th boss and the 3rd draw-in groove inserts and is connected, and also effectively can realize being fastenedly connected of the first split 11 and the second split 12.
Particularly, as Fig. 1, shown in Fig. 5 and Fig. 6, as above-mentioned first draw-in groove, first boss, one concrete scheme of the vibrational power flow of the second draw-in groove and the second boss, first draw-in groove such as to comprise at recessed first notch 1011 on the first sub-yoke 111 of width, the form increased gradually with width along the first notch 1011 to tilt the first recessed groove shoulder 1012 towards the first sub-yoke 111 entity, along the first groove shoulder 1012 to wait width towards recessed the first bottom land 1013 of the first sub-yoke 111 entity, first boss to comprise etc. at the bottom of the First that width is convexly equipped on second point of tooth 1,122 1021, at the bottom of First, 1021 forms increased gradually with width are towards the first shoulder 1022 away from the direction inclination projection of second point of tooth 1122, along the first shoulder 1022 to wait width towards the first abutment body 1023 away from the direction projection of second point of tooth 1122, second draw-in groove to comprise etc. width recessed on the second sub-yoke 121 and with 1021 the second notches 1031 coordinated at the bottom of First, the form increased gradually with width along the second notch 1031 tilts recessed and the second groove that is that coordinate with the first shoulder 1022 takes on 1032 towards the second sub-yoke 121 entity, along the second groove shoulder 1032 to wait width towards recessed and the second bottom land 1033 that is that coordinate with the first abutment body 1023 of the second sub-yoke 121 entity, second boss the width such as to comprise and to be convexly equipped at the bottom of second that coordinates on the 4th point of tooth 1222 and with the first notch 1,011 1041, at the bottom of second 1041 forms increased gradually with width towards away from the 4th point of tooth 1222 direction inclination projection and take on 1012 the second shoulders 1042 coordinated with the first groove, along the second shoulder 1042 to wait width towards away from the direction projection of the 4th point of tooth 1222 and the second abutment body 1043 coordinated with the first bottom land 1013.Like this, the card that can realize the first draw-in groove and the second boss is inserted the card being connected and realizing the second draw-in groove and the first boss and is inserted and be connected.
Or, as shown in Figure 7 and Figure 8, as another concrete scheme of the vibrational power flow of above-mentioned first draw-in groove, the first boss, the second draw-in groove and the second boss, first draw-in groove, except comprising above-mentioned first notch 1011, first groove shoulder 1012 and first except bottom land 1013, also comprises centre position along the first bottom land 1013 to wait width towards recessed the first groove tail 1014 of the first sub-yoke 111 entity; First boss is except comprising the 1021, first shoulder 1022 at the bottom of above-mentioned First and the first abutment body 1023, and the width such as centre position also comprised along the first abutment body 1023 is convexly equipped in the First top 1024 on the first abutment body 1023; Second draw-in groove, except comprising above-mentioned second notch 1031, second groove shoulder 1032 and second except bottom land 1033, also comprises centre position along the second bottom land 1033 to wait width towards recessed and the second groove tail 1034 coordinated with First top 1024 of the second sub-yoke 121 entity; Second boss is except comprising the 1041, second shoulder 1042 at the bottom of above-mentioned second and the second abutment body 1043, and the width such as centre position also comprised along the second abutment body 1043 is convexly equipped in second of coordinating on the second abutment body 1043 and with the first groove tail 1014 and pushes up 1044.This embodiment, is beneficial to and improves further the first boss and the second draw-in groove card and insert the fastening reliability that is connected and improve the second boss and the fastening reliability be connected inserted by the first draw-in groove card further.
Or, as shown in Figure 9 and Figure 10, as the another concrete scheme of the vibrational power flow of above-mentioned first draw-in groove, the first boss, the second draw-in groove and the second boss, first draw-in groove, except comprising above-mentioned first notch 1011, first groove shoulder 1012 and the first bottom land 1013, also comprises the first positioning convex 1015 be convexly equipped in the first bottom land 1013; First boss, except comprising the 1021, first shoulder 1022 at the bottom of above-mentioned First and the first abutment body 1023, also comprises recessed the first location notch 1025 on the first abutment body 1023; Second draw-in groove, except comprising above-mentioned second notch 1031, second groove shoulder 1032 and the second bottom land 1033, also comprises and being convexly equipped in the second bottom land 1033 and the second positioning convex 1035 coordinated with the first location notch 1025; Second boss is except comprising the 1041, second shoulder 1042 at the bottom of above-mentioned second and the second abutment body 1043, also comprise recessed the second location notch 1045 coordinated on the second abutment body 1043 and with the first positioning convex 1015, this embodiment, is also beneficial to and improves further the first boss and the second draw-in groove card and insert the fastening reliability that is connected and improve the second boss and the fastening reliability be connected inserted by the first draw-in groove card further.
Or, as is illustrated by figs. 11 and 12, as another concrete scheme again of the vibrational power flow of above-mentioned first draw-in groove, the first boss, the second draw-in groove and the second boss, first draw-in groove comprises recessed the first U-lag 1016 on the first sub-yoke 111 in two intervals, and the opening of two first U-lags 1016 of same first draw-in groove is arranged in opposite directions, between this two first U-lag 1016, form one first " ten " font boss 1017; First boss comprises two intervals and is convexly equipped in the first U-shaped boss 1026 on second point of tooth 1122, and the opening of two first U-shaped boss 1026 of same first boss is arranged in opposite directions, forms one first " ten " font groove 1027 between this two first U-shaped boss 1026; Second draw-in groove comprises recessed the second U-lag 1036 on the second sub-yoke 121 in two intervals, and the opening of two second U-lags 1036 of same second draw-in groove is arranged in opposite directions, between this two second U-lag 1036, form second " ten " font boss 1037 coordinated with the first " ten " font groove 1027; Second boss comprises two intervals and is convexly equipped in the second U-shaped boss 1046 on the 4th point of tooth 1222, and the opening of two second U-shaped boss 1046 of same second boss is arranged in opposite directions, between this two second U-shaped boss 1046, form second " ten " font groove 1047 coordinated with the first " ten " font boss 1017.Like this, also can realize the first draw-in groove and the second boss, the second draw-in groove and the first boss card insert be connected.
Particularly, as shown in Fig. 5 ~ 12, the first draw-in groove can be identical with the planform of the second draw-in groove, and the first boss is identical with the planform correspondence of the second boss; Of course, as shown in Figure 14 and Figure 15, the first draw-in groove also can not be identical with the shape of the second draw-in groove, and the first boss is not identical with the planform correspondence of the second boss.
Particularly, the thickness of the first sub-yoke 111 is equal to or greater than or is less than the thickness of the second sub-yoke 121.Preferably, the thickness of the first sub-yoke 111 equals the thickness of the second sub-yoke 121, namely the thickness of the first sub-yoke 111 and the thickness of the second sub-yoke 121 are all 1/2nd of the thickness of stator core 1, like this, the design course of processing of simplification first split 11 and the second split 12 can be beneficial on the one hand, as the first split 11 and the second split 12 being designed to identical parts, and then be beneficial to the production efficiency improving stator; Be beneficial to the symmetry of guarantee first split 11 and the second split 12 structure on the other hand, and be beneficial to the structural strength simultaneously ensureing the first split 11 and the second split 12.
The stator core 1 that the present embodiment provides is applicable to inner rotor motor (outside of stator is located at by rotor) and also can be and be applicable to external rotor electric machine (outside of stator is located at by rotor).Particularly, first sub-yoke 111 has the first madial wall 1111 and the first lateral wall 1112, second sub-yoke 121 has the second madial wall 1211 and the second lateral wall 1212, as shown in Fig. 1 ~ 16, when stator core 1 is applied on inner rotor motor, each first tooth 112 is along the circumferential direction spaced apart on the first madial wall 1111; Each second tooth 122 is along the circumferential direction spaced apart on the second madial wall 1211.As shown in Figure 17 and Figure 18, when stator core 1 is applied on external rotor electric machine, each first tooth 112 is along the circumferential direction spaced apart on the first lateral wall 1112; Each second tooth 122 is along the circumferential direction spaced apart on the second lateral wall 1212.
Preferably, the quantity of the first tooth 112 and the quantity sum of the second tooth 122 be more than or equal to four even number, and the quantity of the quantity of the first tooth 112 and the second tooth 122 is equal, like this, make on whole stator core 1, first tooth 112 and the second tooth 122 are along the circumferential direction arranged alternately, when which ensure that independent coiling in the first split 11, bobbin winding head has enough large activity space, and bobbin winding head has enough large activity space when ensure that independent coiling in the second split 12, thus be beneficial to the coiling efficiency improving stator winding.Particularly, as shown in Fig. 1 ~ 12, when motor is four groove motors (wire casing 100 quantity is the motor of four), the first tooth 112 and the second tooth 122 are respectively equipped with two, and the first tooth 112 and the second tooth 122 are along the circumferential direction alternately distributed; As shown in Figure 13 and Figure 14, when motor is six groove motors (wire casing 100 quantity is the motor of six), the first tooth 112 and the second tooth 122 are respectively equipped with three, and the first tooth 112 and the second tooth 122 are along the circumferential direction alternately distributed; As shown in figures 15 to 18, when motor is 12 groove motors (wire casing 100 quantity is the motor of 12), the first tooth 112 and the second tooth 122 are respectively equipped with six, and the first tooth 112 and the second tooth 122 are along the circumferential direction alternately distributed.
Further, as shown in Figure 3, the embodiment of the present invention additionally provides stator, it stator winding comprising above-mentioned stator core 1 and be set around on stator core 1, and stator winding comprises the first winding coil 201 be set around on the first tooth 112 and the second winding coil 202 be set around on the second tooth 122.It is owing to have employed above-mentioned stator core 1, therefore, can make the first winding coil 201 and the second winding coil 202 respectively in the first split 11 and the second split 12 independent coiling shaping, like this, make the activity space of bobbin winding head larger on the one hand, winding ratio is more convenient, improves copper factor and winding efficiency dramatically; Make the openings of sizes of the wire casing 100 of stator core 1 can carry out flexible design according to designing requirement on the other hand, wire casing 100 even can be made to be designed to the form of approximate closed slot, and then be beneficial to the performance improving motor; Ensure that the circularity precision of stator more on the one hand, and the follow-up assembling procedure after simplifying coiling.
Particularly, the end of a thread of first winding coil 201 and the second winding coil 202 can be welded direct on pcb board or directly and draw outside motor, and the first winding coil 201 and the second winding coil 202 can be series connection winding (namely the first winding coil 201 and the second winding coil 202 are connected in series) also can be winding in parallel (namely the first winding coil 201 and the second winding coil 202 are connected in parallel).Preferably, as shown in Figure 3, in spooling step, the first winding coil 201 is made to adopt the mode of continuous winding to be formed on the first tooth 112 of the first split 11, and make the first winding coil 201 form first the end of a thread and second the end of a thread in the first split 11, in the process of i.e. coiling in the first split 11, each first tooth 112 is continuous windings, centre does not need to cut off enamelled wire; Simultaneously, the second winding coil 202 is made to adopt the mode of continuous winding to be formed on the second tooth 122 of the second split 12, and make the second winding coil 202 form the 3rd the end of a thread and the 4th the end of a thread in the second split 12, in the process of i.e. coiling in the second split 12, each second tooth 122 is continuous windings, centre does not need to cut off enamelled wire.In the present embodiment, on the first tooth 112 of the first split 11 and the second tooth 122 of the second split 12, coiling is all continuous coiling, namely the winding process of the first split 11 and the second split 12 does not need to cut off enamelled wire, like this, broken string and wiring operation can be saved on the one hand, thus reduce the production cost of stator, improve the production efficiency of stator; The demand of pcb board can be saved on the other hand, save the cost of pcb board, and then reduce further the production cost of motor.
Of course, as shown in Figure 4, in embody rule, also the first winding coil 201 can be made to adopt the mode of being interrupted coiling to be formed on the first tooth 112 of the first split 11, and make the first winding coil 201 form two the end of a thread on each first tooth 112 of the first split 11, in the process of i.e. coiling in the first split 11, each first tooth 112 is be interrupted coiling, often need cuts off enamelled wire once around complete first tooth 112; Simultaneously, also the second winding coil 202 can be made to adopt the mode of being interrupted coiling to be formed on the second tooth 122 of the second split 12, and make the second winding coil 202 form two the end of a thread on each second tooth 122 of the second split 12, in the process of i.e. coiling in the second split 12, each second tooth 122 is be interrupted coiling, often need cuts off enamelled wire once around complete second tooth 122.
Further, the embodiment of the present invention additionally provides the manufacture method of said stator, and it comprises the steps:
Split manufacturing step, individually manufacture the first split 11 and the second split 12, the concrete manufacture process of the first split 11 and the second split 12 can be: first stamping-out forms the first punching respectively, second punching, 3rd punching and the 4th punching, then several first punchings are laminated vertically the sub-yoke 111 of shape all-in-one-piece first and first point of tooth 1121, several second punchings are laminated vertically shape all-in-one-piece second point of tooth 1122, several the 3rd punchings are laminated vertically the sub-yoke 121 of shape all-in-one-piece second and the 3rd point of tooth 1221, several the 4th punchings are laminated vertically shape all-in-one-piece the 4th point of tooth 1222, and then by each second point of tooth 1122 by riveting button or laser welding or glue is bonding etc. that mode laminates vertically is respectively fixed on each first point of tooth 1121 thus forms the first split 11, by each 4th point of tooth 1222 by riveting button or laser welding or glue is bonding etc. that mode laminates vertically is respectively fixed on each 3rd point of tooth 1221 thus forms the second split 12, its manufacture process is simple, efficiency is high,
Spooling step, individually winding first winding coil 201 and the second winding coil 202 in the first split 11 and the second split 12, due to the first winding coil 201 be separately on the first tooth 112 of the first split 11 coiling formed, the second winding coil 202 is that on the second tooth 122 of the second split 12, coiling is formed separately, therefore, when coiling first winding coil 201 and the second winding coil 202, the activity space of bobbin winding head is larger, winding operation is very convenient, improves winding efficiency and copper factor dramatically;
Number of assembling steps, to stagger with each second tooth 122 with each first tooth 112 respectively mutually by the first split 11 being arranged with the first winding coil 201 and the second split 12 of being arranged with the second winding coil 202 and the form be arranged alternately laminates formation stator vertically.Because the first split 11 of being wound with the first winding coil 201 and the second split 12 of being wound with the second winding coil 202 laminate assembling vertically to form stator, therefore, it ensures the circularity precision of stator, and the first split 11 and the second split 12 do not need to carry out welding operation when assembling, therefore, simplify the assembling process of stator, improve the production efficiency of stator.The manufacturing method for stators that the embodiment of the present invention provides, manufacture process is simple, production efficiency is high, and the circularity precision of stator is high.
Further, the embodiment of the present invention additionally provides motor, it rotor comprising above-mentioned stator and coordinate with stator.It is owing to have employed above-mentioned stator, therefore improves the production efficiency of motor on the one hand, improves the performance of motor on the other hand, then is beneficial to the material cost reducing motor on the one hand.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement or improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. stator core, it is characterized in that: comprise the first split and the second split, described first split comprises circumference and to close and thickness is less than the first sub-yoke of the thickness of described stator core and several to be along the circumferential direction located on described first sub-yoke and thickness first tooth equal with the thickness of described stator core at interval, described second split comprises circumference and to close and thickness and the thickness sum of described first sub-yoke equal the second sub-yoke of the thickness of described stator core and several to be along the circumferential direction located on described second sub-yoke and thickness second tooth equal with the thickness of described stator core at interval, described first split and described second split laminate vertically with the form that each described first tooth and each described second tooth stagger respectively mutually and form described stator core.
2. stator core as claimed in claim 1, it is characterized in that: described first tooth comprises and to be wholely set with described first sub-yoke and the thickness first point tooth equal with described first sub-yoke thickness and second point of tooth arranging with described first sub-yoke split, described second point of tooth laminates and to be fastenedly connected on described first point of tooth and to form described first tooth.
3. stator core as claimed in claim 2, it is characterized in that: described second tooth comprises and to be wholely set with described second sub-yoke and the thickness three point tooth equal with described second sub-yoke thickness and the 4th point of tooth arranging with described second sub-yoke split, described 4th point of tooth laminates and to be fastenedly connected on described 3rd point of tooth and to form described second tooth.
4. stator core as claimed in claim 3, it is characterized in that: by weld or plastic packaging is fixed or Insulating frame is fixed or buckle connected mode is interconnected between described first sub-yoke with described 4th point of tooth, pass through between described second sub-yoke with described second point of tooth to weld or plastic packaging is fixed or Insulating frame is fixed or buckle connected mode is interconnected.
5. stator core as claimed in claim 4, is characterized in that: described first sub-yoke is provided with the first card interpolating unit between any two adjacent described first point of tooth, and each described second point of tooth is provided with the second card interpolating unit; Described second sub-yoke is provided with the 3rd card interpolating unit between any two adjacent described 3rd point of teeth, each described 4th point of tooth is provided with the 4th card interpolating unit, each described first card interpolating unit blocks each described 4th card interpolating unit of slotting connection respectively, and each described second card interpolating unit blocks each described 3rd card interpolating unit of slotting connection respectively.
6. the stator core as described in any one of claim 1 to 5, is characterized in that: the thickness of described first sub-yoke is equal to or greater than or is less than the thickness of described second sub-yoke.
7. the stator core as described in any one of claim 1 to 5, is characterized in that: described first sub-yoke has the first madial wall and the first lateral wall, and each described first tooth is along the circumferential direction spaced apart on described first madial wall; Described second sub-yoke has the second madial wall and the second lateral wall, and each described second tooth is along the circumferential direction spaced apart on described second madial wall.
8. the stator core as described in any one of claim 1 to 5, is characterized in that: described first sub-yoke has the first madial wall and the first lateral wall, and each described first tooth is along the circumferential direction spaced apart on described first lateral wall; Described second sub-yoke has the second madial wall and the second lateral wall, and each described second tooth is along the circumferential direction spaced apart on described second lateral wall.
9. stator, it is characterized in that: comprise stator core as described in any one of claim 1 to 8 and stator winding on stator core as described in being set around, described stator winding comprises the first winding coil be set around on described first tooth and the second winding coil be set around on described second tooth.
10. motor, is characterized in that: the rotor comprising stator as claimed in claim 9 and coordinate with described stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410663268.3A CN104467210A (en) | 2014-11-19 | 2014-11-19 | Stator core, stator and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410663268.3A CN104467210A (en) | 2014-11-19 | 2014-11-19 | Stator core, stator and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104467210A true CN104467210A (en) | 2015-03-25 |
Family
ID=52912783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410663268.3A Pending CN104467210A (en) | 2014-11-19 | 2014-11-19 | Stator core, stator and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104467210A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019042038A1 (en) * | 2017-08-30 | 2019-03-07 | 广东威灵电机制造有限公司 | Stator assembly, electric motor and compressor |
| CN111292942A (en) * | 2018-12-10 | 2020-06-16 | 广东威灵汽车部件有限公司 | Rotary transformer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040113511A1 (en) * | 2001-01-18 | 2004-06-17 | Ralf Schmidt | Component for the rotor or stator of an electrical machine |
| CN102377261A (en) * | 2011-10-25 | 2012-03-14 | 珠海格力电器股份有限公司 | Modular motor stator |
| CN102792557A (en) * | 2009-11-27 | 2012-11-21 | 普罗蒂恩电子有限公司 | Coil tooth assembly |
-
2014
- 2014-11-19 CN CN201410663268.3A patent/CN104467210A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040113511A1 (en) * | 2001-01-18 | 2004-06-17 | Ralf Schmidt | Component for the rotor or stator of an electrical machine |
| CN102792557A (en) * | 2009-11-27 | 2012-11-21 | 普罗蒂恩电子有限公司 | Coil tooth assembly |
| CN102377261A (en) * | 2011-10-25 | 2012-03-14 | 珠海格力电器股份有限公司 | Modular motor stator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019042038A1 (en) * | 2017-08-30 | 2019-03-07 | 广东威灵电机制造有限公司 | Stator assembly, electric motor and compressor |
| CN111292942A (en) * | 2018-12-10 | 2020-06-16 | 广东威灵汽车部件有限公司 | Rotary transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204258450U (en) | Stator core and stator, motor | |
| CN105024464B (en) | Series excited machine and its stator core, stator, the manufacture method of stator | |
| EP2826131B1 (en) | Laminar segment for electric motor segmented stator | |
| CN104638795A (en) | Stator winding structure of brushless coreless disk permanent magnetic motor and motor with the stator winding structure | |
| CN103051074B (en) | Novel crossly-stacked directly-wound stator lamination structure of brushless direct-current variable-frequency motor | |
| CN104377845A (en) | Stator iron core, stator and motor | |
| US20160049841A1 (en) | Coil for axial flux pm-motor | |
| CN104377903A (en) | Manufacturing method for stator | |
| CN105656227A (en) | Stator iron core and motor | |
| CN203660676U (en) | Stator core for brushless motor | |
| CN203445707U (en) | Stator punching sheet, stator core and motor | |
| CN104467210A (en) | Stator core, stator and motor | |
| CN104377901A (en) | Manufacturing method for stator | |
| CN103812236A (en) | Stator and manufacturing method thereof, motor with stator and compressor with stator | |
| CN204391911U (en) | A kind of concentratred winding assembled stator | |
| CN204835745U (en) | Brushless no iron core disk permanent -magnet machine's stator winding structure and motor that has this stator winding structure | |
| CN107070008A (en) | Stator and the motor with it | |
| CN102570644B (en) | Inward-rotation stator and manufacturing method thereof | |
| CN204794396U (en) | Stator is towards piece, stator core , stator and motor | |
| CN104600883A (en) | Series excitation motor, stator core thereof, stator and manufacturing method of stator | |
| CN211556993U (en) | Trapezoidal salient pole switched reluctance motor | |
| CN204517520U (en) | A kind of motor stator | |
| CN204810004U (en) | Series excited machine and stator core , stator thereof | |
| CN104377902A (en) | Manufacturing method for stator | |
| CN210927227U (en) | Stator punching sheet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |