CN108462264A - Motor stator and motor - Google Patents
Motor stator and motor Download PDFInfo
- Publication number
- CN108462264A CN108462264A CN201810537495.XA CN201810537495A CN108462264A CN 108462264 A CN108462264 A CN 108462264A CN 201810537495 A CN201810537495 A CN 201810537495A CN 108462264 A CN108462264 A CN 108462264A
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- China
- Prior art keywords
- stator slot
- stator
- tooth
- grafting cylinder
- ring gear
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-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- 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
- 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
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/12—Machines characterised by the bobbins for supporting the windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The present invention proposes a kind of motor stator and motor, wherein motor stator includes：Ring gear portion, including the first ring gear section and the second ring gear section docked in an axial direction, first ring gear section includes multiple the first stator slots circumferentially arranged, second ring gear section includes multiple the second stator slots circumferentially arranged, multiple first stator slots are correspondingly arranged one by one with multiple second stator slots, and the side wall of corresponding second stator slot is located at the inside of the side wall of the first stator slot；First Insulating frame, including multiple the first grafting cylinders being circumferentially arranged, multiple first grafting cylinder correspondences are plugged in multiple first stator slots；Second Insulating frame, including multiple the second grafting cylinders being circumferentially arranged, multiple second grafting cylinder correspondences are plugged in multiple second stator slots, and extend into the first stator slot, to cover the first grafting cylinder, wherein the inner wall of the second grafting cylinder, which encloses, to be set to form Insulated winding wire slot.Technical solution through the invention can increase winding amount, with the operational efficiency of motor.
Description
Technical field
The present invention relates to motor fields, in particular to a kind of motor stator and a kind of motor.
Background technology
In the related technology, as shown in Figures 1 to 4, the motor stator detached for ring gear portion 106 and yoke ring portion 102, usually
Using upper Insulating frame 104 and lower 108 docking structure of Insulating frame, in the related technology, upper and lower Insulating frame interface is located at fixed
The axial centre position of pilot trench, and there is step structure (mutually matched first step structure 1042 and second step structure
1082), because stator groove profile is more complicated, the thickness of step structure is generally 0.3~0.4mm, then the thickness of frame is necessary for
0.6~0.8mm causes to have the following defects：
Effective sump volume reduces, and reduces the efficiency of motor.
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 motor stators.
A further object of the present invention is to provide a kind of motor.
To achieve the goals above, the embodiment of first aspect present invention proposes a kind of motor stator, including：Ring gear
Portion, including the first ring gear section for docking in an axial direction and the second ring gear section, the first ring gear section includes multiple first circumferentially to arrange
Stator slot, the second ring gear section include multiple the second stator slots circumferentially arranged, multiple first stator slots and multiple second stators
Slot is correspondingly arranged one by one, and the side wall of corresponding second stator slot is located at the inside of the side wall of the first stator slot；First Insulating frame,
Including multiple the first grafting cylinders being circumferentially arranged, multiple first grafting cylinder correspondences are plugged in multiple first stator slots；The
Two Insulating frames, including multiple the second grafting cylinders being circumferentially arranged, multiple second grafting cylinder correspondences are plugged in multiple second
In stator slot, and extend into the first stator slot, to cover the first grafting cylinder, wherein the inner wall of the second grafting cylinder, which encloses, to be set
Form Insulated winding wire slot.
In the technical scheme, ring gear portion includes the first ring gear section and the second ring gear section docked in an axial direction, the first ring gear
The first stator slot in section can dock setting one by one with the first stator slot in the second ring gear section, by by the second stator slot
Side wall inside contracts setting with respect to the inner wall of the first stator slot, so that the width of the second stator slot is less than the width of the first stator slot, leads to
It crosses the first grafting cylinder and the cooperation grafting setting of the first stator slot, on the one hand, first can be supplemented by the first grafting cylinder and determined
On the other hand the pilot trench space extra relative to the second stator slot realizes the cooperation assembling of the first Insulating frame, by by the
Two grafting cylinders and the second stator slot coordinate grafting, and continue to extend into the first stator slot, and can all cover first and insert
Connect cylinder body forms Insulated winding wire slot, to execute winding operation so as to enclose to set by the inner wall of the second grafting cylinder.
And the side that the first Insulating frame and the second Insulating frame pass through the corresponding step structure docking of setting in the prior art
Formula is compared, on the one hand, step structure need not be arranged on Insulating frame, to be conducive to simplify the first Insulating frame and second
The structure of Insulating frame, and the wall thickness of the grafting cylinder on Insulating frame can be reduced, on the other hand, by by the first stator slot
It is set as the larger-sized structure of groove width, and by the groove width position full size of the second stator slot, and then space in slot can be increased,
Correspondence can increase winding amount, to promote the operational efficiency of the motor using the motor stator.
Those skilled in the art can understand that the first ring gear section and the second ring gear section be two process respectively zero
Part realizes assembling by way of docking, can also carry out secondary operation by the stator slot to integrally-built ring gear portion, with
It is respectively formed the first ring gear section and the second ring gear section.
Those skilled in the art is also understood that stator slot includes the two side walls being oppositely arranged, and with two
The bottom wall that a side wall is separately connected only needs respectively to extend out the two side walls of the first stator slot in the application.
Those skilled in the art is also understood that, since the first grafting cylinder and the second grafting cylinder are insulation
Part, as long as therefore the second grafting shell portion cover the first grafting cylinder inner wall, you can realize the equal insulating of exposed inner wall
Setting, to meet winding winding demand.
Preferably, the second grafting cylinder can all cover the first grafting cylinder, to form the Insulated winding wire of inner wall smooth
Slot.
In addition, the motor stator in above-described embodiment provided by the invention can also have following additional technical feature：
In the above-mentioned technical solutions, it is preferable that the second stator slot is forming Step-edge Junction with the docking location of the first stator slot
The end face of structure, the first grafting cylinder can be bonded with the horizontal plane of step structure, with by step structure pair the first grafting cylinder into
Row axial limiting.
In the technical scheme, it is set since the side wall of the second stator slot is circumferentially inside contracted relative to the side wall of the first stator slot
It sets, therefore step structure is formd in the junction of two side walls, and step structure is made to be coordinated with the first grafting cylinder, lead to
The plane vertical with axis crossed on step structure is bonded, and realizes axial to limit, and then is advantageously implemented ring gear portion in the
The one accurate assembling for becoming attached to frame.
It is understood that step structure can also be the structure of on-right angle, and then realize the limit of cooperation inclined-plane.
In any of the above-described technical solution, it is preferable that the width of step structure is greater than or equal to the wall of the first grafting cylinder
It is thick.
In the technical scheme, by limiting step structure in wall of the circumferential width more than or equal to the first grafting cylinder
Thickness, after the first grafting cylinder is inserted into the first stator slot, the inner wall of the first grafting cylinder can be with the inner wall of the second stator slot
It flushes or the inner wall relative to the second stator slot forms internal trough body structure, i.e., will not protrude setting with respect to the second stator slot,
On the one hand, being adapted between the first stator slot and the first grafting cylinder is realized, on the other hand, in the second stator slot and second
When body structure carries out mating, circumferential gap can not be generated, and then realize to enclose to set by the inner wall of the second grafting cylinder and be formed
The inner space of Insulated winding wire slot maximize, to promote the copper factor of winding, promote motor performance.
In any of the above-described technical solution, it is preferable that the axial length of the first stator slot is less than the axial direction of the second stator slot
Length.
In the technical scheme, due to the first grafting cylinder only need with the first stator slot carry out it is mating,
Axial length only needs to be adapted to the first stator slot, and the axial length of the second grafting cylinder needs and the first stator
The sum of slot and axial length of the second stator slot are adapted to, since the sum of axial length of the first stator slot and the second stator slot can be with
Be considered as a definite value, and the axial length of the second grafting cylinder can be the first stator slot and the second stator slot axial length it
With, that is, it is also a customization, and since the first grafting cylinder is adapted with the axial direction of the first stator slot, you can with by the first stator
The axial length of slot determines the axial length of the first grafting cylinder, therefore is meeting the first grafting cylinder and the first stator slot in axis
To adaptation demand under the premise of, what the length of the first grafting cylinder can be as possible is small, to reduce the entirety of the first Insulating frame
Size, therefore the axial length by the way that the axial length of the first stator slot to be set smaller than to the second stator slot, are advantageously implemented
First Insulating frame it is dimensionally-optimised.
In any of the above-described technical solution, it is preferable that the axial length of the first stator slot is greater than or equal to 2mm, and is less than
Or it is equal to 4mm.
In the technical scheme, long by the way that the axial length of the first stator slot to be set smaller than to the axial direction of the second stator slot
Degree is limited in the range of 2mm~4mm, while meeting mating demand, will not lead to the first Insulating frame and second
The axial dimension of Insulating frame is excessive, in the axial length that the axial length of the first stator slot is set smaller than to the second stator slot
On the basis of, realize advanced optimizing for size.
In any of the above-described technical solution, it is preferable that the wall thickness of the first grafting cylinder is greater than or equal to 0.3mm, and is less than
Or it is equal to 0.5mm；The wall thickness of second grafting cylinder is greater than or equal to 0.3mm, and is less than or equal to 0.5mm.
In the technical scheme, since the thickness of step structure in the prior art is generally 0.3~0.4mm, then cause to set
The thickness of the cylinder inside stator slot is placed between 0.6~0.8mm, by by the first grafting cylinder and the second grafting cylinder
Wall thickness is limited between 0.3mm~0.5mm, to reduce wall thickness, under the premise of stator slot structure and size constancy, can be promoted
Volume in Insulated winding wire slot, and then promote the copper factor of winding.
In any of the above-described technical solution, it is preferable that step structure includes the first shape step structure and the second shape Step-edge Junction
Structure；First ring gear section includes multiple first bendings teeth and multiple first straight-tooth, multiple first bending teeth with multiple first straight-tooth
Circumferentially alternating arrangement, the first stator slot is enclosed to set by the first adjacent bending tooth with the first straight-tooth to be formed；Second ring gear section includes
Multiple second bendings teeth and multiple second straight-tooth, multiple second bending teeth with multiple circumferentially alternating arrangements of second straight-tooth, the
Two stator slots are enclosed to set by the second adjacent bending tooth with the second straight-tooth to be formed；Wherein, the facewidth of corresponding first bending tooth is less than
The facewidth of second bending tooth, in the identical first shape step structure of both sides formation width, the facewidth of corresponding first straight-tooth is small
In the facewidth of the second straight-tooth, in the identical second shape step structure of both sides formation width.
In the technical scheme, ring gear portion includes multiple straight-tooth being circumferentially staggered and bending tooth, the first bending tooth
The position docked with the second bending tooth forms the first step structure that side wall is bending shape, and the first straight-tooth is docked with the second straight-tooth
Position form the second step structure that side wall is straight line, corresponding first step structure and second step structure are formed and first
Auxiliary section in the stator slot of grafting cylinder cooperation, and then the first grafting cylinder and the second grafting cylinder can be enclosed and be set as and determine
The tube structure of the profile adaptation of pilot trench.
It is understood that the two side walls of the first stator slot are extended out respectively, it is corresponding, first in the first ring gear section
The transverse tooth thickness for bending tooth is less than the transverse tooth thickness of the second bending tooth in the second ring gear section, and the transverse tooth thickness of the first bending tooth in the first ring gear section is small
In the transverse tooth thickness of the second bending tooth in the second ring gear section
In any of the above-described technical solution, it is preferable that the first Insulating frame includes the first dead ring, it is multiple circumferentially the
One grafting cylinder row is located on the lower face of the first dead ring, and extends axially downward；Second Insulating frame includes second exhausted
Edge ring, multiple the second grafting cylinder rows circumferentially are located on the upper surface of the second dead ring, and extend axially upward,
In, multiple second grafting cylinder correspondences are plugged in multiple second stator slots, are extended into the first stator slot, and are insulated with first
The lower face of ring abuts.
In the technical scheme, the main body of the first Insulating frame and the second Insulating frame is cirque structure, with tooth
Ring portion is adapted to, and multiple grafting cylinder rows circumferentially are located on the end face of the first dead ring and multiple docking circumferentially
Slot row be located on the end face of the second dead ring, can be conducive to motor stator overall dimensions minimum setting, and pass through by
Second grafting cylinder is set as abutting with the lower face of the first dead ring, realize the first Insulating frame and the second Insulating frame it
Between axial limiting assembling, and then be conducive to promoted assembly precision, realize Insulated winding wire slot slot in space maximize setting.
Wherein, the first Insulating frame can be upper Insulating frame, and the second Insulating frame can be lower Insulating frame.
As a kind of set-up mode, the first dead ring is identical as the diameter of the excircle of the second ring, and less than ring gear portion
The diameter of excircle.
In any of the above-described technical solution, it is preferable that the bending tooth of any straight-tooth both sides is symmetrical arranged with respect to straight-tooth；Stator
Slot includes the first stator slot and the second stator slot, and docking groove includes corresponding first docking groove and the second docking groove；Bend tooth edge
Radial includes the first circumferential extensions, oblique main body and second circumferentially extending portion successively from the inside to the outside, wherein for any bending
Tooth, the side wall of the side side wall and the first circumferential extensions connecting of oblique main body, and the side wall of the side straight-tooth of connection enclose
If forming the first shape stator slot, the side wall in second circumferentially extending portion, with the other side side wall for the oblique main body connecting, and connection
The side wall of other side straight-tooth enclose and set to form the second shape stator slot, the first stator slot includes the first shape stator slot and the second shape stator
Slot, the second stator slot also include the first shape stator slot and the second shape stator slot.
Wherein, bending tooth may be constructed such that Z-shaped tooth or S-shaped tooth.
In any of the above-described technical solution, it is preferable that further include：Yoke ring portion, can with toothed ring section from be set in tooth
On the lateral wall of ring portion.
In the technical scheme, it by the way that yoke ring portion is arranged, and is socketed with the lateral wall in ring gear portion, to close stator slot
Notch, to make winding be in circumferentially closed Insulated winding wire slot, on the one hand, while winding is protected in realization,
The intensity of motor stator is improved, on the other hand, by setting yoke ring portion and ring gear portion to separable structure, it is fixed to simplify
Minor structure reduces assembling difficulty.
In any of the above-described technical solution, it is preferable that further include：First winding and the second winding, are embedded are insulating respectively
In winding slot, the first winding is set to the inner ring side of the second winding.
The embodiment of second aspect of the present invention proposes a kind of motor, including：What first aspect present invention embodiment proposed
Motor stator, and it is arranged with motor stator the rotor of assembling.
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 configuration schematic diagram of motor stator in the related technology；
Fig. 2 shows the docking structure schematic diagrames of the first Insulating frame in the related technology and the second Insulating frame；
Fig. 3 shows the partial structural diagram at A in Fig. 2；
Fig. 4 shows the configuration schematic diagram of motor stator in the related technology；
Fig. 5 shows the dimensional structure diagram in ring gear portion according to an embodiment of the invention；
Fig. 6 shows the planar structure schematic diagram in ring gear portion according to an embodiment of the invention；
Fig. 7 shows the configuration schematic diagram of motor stator according to an embodiment of the invention；
Fig. 8 shows the planar structure schematic diagram of motor stator according to an embodiment of the invention；
Fig. 9 shows the planar structure schematic diagram in yoke ring portion according to an embodiment of the invention.
Wherein, the correspondence in Fig. 1 to Fig. 9 between reference numeral and component names is：
102 yoke ring portions, Insulating frame on 104,106 ring gear portions, 108 times Insulating frames, 1042 first step structures, 1082
Second step structure, 202 ring gear portions, 204 first Insulating frames, 206 second Insulating frames, 208 yoke ring portions, 2,022 first ring gears
Section, 2,024 second ring gear sections, the first stator slots of 2022A, the second stator slots of 2024A, 2,042 first grafting cylinders, 2,062 second insert
Connect cylinder body, 2026 first step structures, 2028 second step structures, 2030 straight-tooth, 2032 bending teeth, 210 first windings, 212
Second winding.
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.
Referring to the motor stator of Fig. 5 to Fig. 9 descriptions according to some embodiments of the invention.
As shown in Figures 5 to 7, motor stator according to an embodiment of the invention, including：Ring gear portion 202, including in an axial direction
The the first ring gear section 2022 and the second ring gear section 2024 of docking, the first ring gear section 2022 are fixed including multiple first circumferentially to arrange
Pilot trench 2022A, the second ring gear section 2024 include multiple the second stator slot 2024A circumferentially to arrange, multiple first stator slots
2022A is correspondingly arranged one by one with multiple second stator slot 2024A, and the side wall of corresponding second stator slot 2024A, which is located at first, to be determined
The inside of the side wall of pilot trench 2022A；First Insulating frame 204, including multiple the first grafting cylinders 2042 being circumferentially arranged, it is multiple
First grafting cylinder 2042 correspondence is plugged in multiple first stator slot 2022A；Second Insulating frame 206, including multiple circumferential directions
Second grafting cylinder 2062 of arrangement, multiple correspondences of second grafting cylinder 2062 are plugged in multiple second stator slot 2024A, and
Extend into the first stator slot 2022A, to cover the first grafting cylinder 2042, wherein the inner wall of the second grafting cylinder 2062 encloses
If forming Insulated winding wire slot.
In this embodiment, ring gear portion 202 includes the first ring gear section 2022 and the second ring gear section 2024 docked in an axial direction,
The first stator slot 2022A on the first stator slot 2022A and the second ring gear section 2024 in first ring gear section 2022 can be one by one
Docking setting inside contracts setting by the inner wall by the side wall of the second stator slot 2024A with respect to the first stator slot 2022A, so that the
The width of two stator slot 2024A is less than the width of the first stator slot 2022A, by by the first grafting cylinder 2042 and the first stator
Slot 2022A cooperation grafting setting, on the one hand, the first stator slot 2022A can be supplemented by the first grafting cylinder 2042 relative to the
On the other hand space extra two stator slot 2024A realizes the cooperation assembling of the first Insulating frame 204, by being inserted second
Connect cylinder body 2062 and the second stator slot 2024A coordinate grafting, and continue to extend into the first stator slot 2022A, and can be whole
The first grafting cylinder 2042 is covered, Insulated winding wire slot is formed so as to enclose to set by the inner wall of the second grafting cylinder 2062, to hold
Row winding operation.
And the first Insulating frame 204 and the second Insulating frame 206 pass through the corresponding step structure pair of setting in the prior art
The mode connect is compared, on the one hand, step structure need not be arranged on Insulating frame, to be conducive to simplify the first Insulating frame
204 and second Insulating frame 206 structure, and the wall thickness of the grafting cylinder on Insulating frame can be reduced, on the other hand, passed through
Set the first stator slot 2022A to the larger-sized structure of groove width, and by the groove width position original ruler of the second stator slot 2024A
It is very little, and then space in slot can be increased, correspondence can increase winding amount, to promote the operation effect using the motor of the motor stator
Rate.
Those skilled in the art can understand that the first ring gear section 2022 and the second ring gear section 2024 are two difference
The part of processing realizes assembling by way of docking, can also be carried out by the stator slot to integrally-built ring gear portion 202
Secondary operation, to be respectively formed the first ring gear section 2022 and the second ring gear section 2024.
Those skilled in the art is also understood that stator slot includes the two side walls being oppositely arranged, and with two
The bottom wall that a side wall is separately connected only needs the two side walls by the first stator slot 2022A to extend out respectively in the application.
Those skilled in the art is also understood that, due to the first grafting cylinder 2042 and the second grafting cylinder 2062
Be insulating part, as long as therefore 2062 part of the second grafting cylinder cover the inner wall of the first grafting cylinder 2042, you can realize outer
The equal insulating setting of inner wall of dew, to meet winding winding demand.
Preferably, the second grafting cylinder 2062 can all cover the first grafting cylinder 2042, to form inner wall smooth
Insulated winding wire slot.
In the above embodiment, it is preferable that the second stator slot 2024A is in the docking location shape with the first stator slot 2022A
At step structure, the end face of the first grafting cylinder 2042 can be bonded with the horizontal plane of step structure, with by step structure pair
One grafting cylinder 2042 carries out axial limiting.
In this embodiment, the side wall edge week due to the side wall of the second stator slot 2024A relative to the first stator slot 2022A
It is arranged to inside contracting, therefore step structure is formd in the junction of two side walls, and makes step structure and the first grafting cylinder
2042 are coordinated, and are bonded by the plane vertical with axis on step structure, are realized axially to limit, and then be conducive to
Realize that ring gear portion 202 becomes attached to the accurate assembling of frame in first.
It is understood that step structure can also be the structure of on-right angle, and then realize the limit of cooperation inclined-plane.
In any of the above-described embodiment, it is preferable that the width of step structure is greater than or equal to the first grafting cylinder 2042
Wall thickness.
In this embodiment, it is greater than or equal to the first grafting cylinder 2042 in circumferential width by limiting step structure
Wall thickness, after the first grafting cylinder 2042 is inserted into the first stator slot 2022A, the inner wall of the first grafting cylinder 2042 can be with the
The inner wall of two stator slot 2024A flushes or the inner wall relative to the second stator slot 2024A forms internal trough body structure, i.e., relatively
Second stator slot 2024A will not protrude setting, on the one hand, realize the first stator slot 2022A and the first grafting cylinder 2042 it
Between adaptation, on the other hand, the second stator slot 2024A and the second tube structure progress it is mating when, week can not be generated
To gap, and then realize that the inner space for setting the Insulated winding wire slot formed is enclosed by the inner wall of the second grafting cylinder 2062 to be maximized,
To promote the copper factor of winding, motor performance is promoted.
As shown in Figures 6 and 7, in any of the above-described embodiment, it is preferable that the axial length of the first stator slot 2022A is small
In the axial length of the second stator slot 2024A.
In this embodiment, since 2042 needs of the first grafting cylinder and the first stator slot 2022A progress are mating,
Therefore its axial length only needs to be adapted to the first stator slot 2022A, and the axial direction of the second grafting cylinder 2062 is long
Degree needs to be adapted to the first stator slot 2022A with the sum of the axial length of the second stator slot 2024A, due to the first stator slot
The sum of the axial length of 2022A and the second stator slot 2024A can be considered as a definite value, and the axial direction of the second grafting cylinder 2062
Length can be the sum of the axial length of the first stator slot 2022A and the second stator slot 2024A, that is, be also a customization, and by
It is adapted with the axial direction of the first stator slot 2022A in the first grafting cylinder 2042, you can with by the axial direction of the first stator slot 2022A
Length determines the axial length of the first grafting cylinder 2042, therefore is meeting the first grafting cylinder 2042 and the first stator slot
For 2022A under the premise of axial adaptation demand, what the length of the first grafting cylinder 2042 can be as possible is small, to reduce first absolutely
The overall dimensions of edge frame 204, therefore by the way that the axial length of the first stator slot 2022A is set smaller than the second stator slot
The axial length of 2024A is advantageously implemented the dimensionally-optimised of the first Insulating frame 204.
That is the first Insulating frame 204 is short Insulating frame, and the second Insulating frame 206 is long Insulating frame.
In any of the above-described embodiment, it is preferable that the axial length of the first stator slot 2022A is greater than or equal to 2mm, and small
In or equal to 4mm.
In this embodiment, by the way that the axial length of the first stator slot 2022A is set smaller than the second stator slot 2024A
Axial length be limited in the range of 2mm~4mm, while meeting mating demand, the first insulation frame will not be caused
Frame 204 and the axial dimension of the second Insulating frame 206 are excessive, are set smaller than by the axial length of the first stator slot 2022A
On the basis of the axial length of second stator slot 2024A, advanced optimizing for size is realized.
In any of the above-described embodiment, it is preferable that the wall thickness of the first grafting cylinder 2042 is greater than or equal to 0.3mm, and small
In or equal to 0.5mm；The wall thickness of second grafting cylinder 2062 is greater than or equal to 0.3mm, and is less than or equal to 0.5mm.
In this embodiment, since the thickness of step structure in the prior art is generally 0.3~0.4mm, then cause to be arranged
The thickness of cylinder inside stator slot is between 0.6~0.8mm, by by the first grafting cylinder 2042 and the second grafting cylinder
2062 wall thickness is limited between 0.3mm~0.5mm, to reduce wall thickness, under the premise of stator slot structure and size constancy, and energy
The volume in Insulated winding wire slot is enough promoted, and then promotes the copper factor of winding.
As shown in figs. 5 and 6, in any of the above-described embodiment, it is preferable that step structure includes the first shape step structure
2026 and the second shape step structure 2028；First ring gear section 2022 includes multiple first bending teeth 2032 and multiple first straight-tooth
2030, it is multiple first bending teeth 2032 with the 2030 circumferentially alternating arrangement of multiple first straight-tooth, the first stator slot 2022A is by phase
The first adjacent bending tooth 2032 encloses to set to be formed with the first straight-tooth 2030；Second ring gear section 2024 includes multiple second bendings teeth 2036
With multiple second straight-tooth 2034, it is multiple second bending teeth 2036 with the 2034 circumferentially alternating arrangement of multiple second straight-tooth, second
Stator slot 2024A is enclosed to set by the second adjacent bending tooth 2036 with the second straight-tooth 2034 to be formed；Wherein, corresponding first bending tooth
2032 facewidth is less than the facewidth of the second bending tooth 2036, in the identical first shape step structure 2026 of both sides formation width,
The facewidth of corresponding first straight-tooth 2030 is less than the facewidth of the second straight-tooth 2034, in the identical second shape platform of both sides formation width
Stage structure 2028.
In this embodiment, ring gear portion 202 includes multiple straight-tooth 2030 being circumferentially staggered and bends tooth 2032, the
The position that one bending tooth 2032 is docked with the second bending tooth 2036 forms the first shape step structure 2026 that side wall is bending shape,
The position that first straight-tooth 2030 is docked with the second straight-tooth 2034 forms the second shape step structure 2028 that side wall is straight line, corresponding
First shape step structure 2026 and the second shape step structure 2028 are formed in the stator slot coordinated with the first grafting cylinder 2042
Auxiliary section, and then the first grafting cylinder 2042 can be enclosed with the second grafting cylinder 2062 and to be set as being adapted to the profile of stator slot
Tube structure.
It is understood that the two side walls of the first stator slot 2022A are extended out respectively, corresponding, the first ring gear section
The transverse tooth thickness of the first bending tooth 2032 on 2022 is less than the transverse tooth thickness of the second bending tooth 2036 in the second ring gear section 2024, the first ring gear
The transverse tooth thickness of the first bending tooth 2032 in section 2022 is less than the transverse tooth thickness of the second bending tooth 2036 in the second ring gear section 2024
As shown in fig. 7, in any of the above-described embodiment, it is preferable that the first Insulating frame 204 includes the first dead ring, more
A 2042 row of the first grafting cylinder circumferentially is located on the lower face of the first dead ring, and extends axially downward；Second absolutely
Edge frame 206 includes the second dead ring, and multiple 2062 rows of the second grafting cylinder circumferentially are located at the upper surface of the second dead ring
On, and extend axially upward, wherein multiple correspondences of second grafting cylinder 2062 are plugged in multiple second stator slot 2024A,
Extend into the first stator slot 2022A, and is abutted with the lower face of the first dead ring.
In this embodiment, the main body of the first Insulating frame 204 and the second Insulating frame 206 is cirque structure, with
It is adapted to ring gear portion 202, multiple grafting cylinder rows circumferentially are located on the end face of the first dead ring and multiple along week
To docking groove row be located on the end face of the second dead ring, can be conducive to motor stator overall dimensions minimum setting, and
And by the way that the second grafting cylinder 2062 to be set as abutting with the lower face of the first dead ring, realize the first Insulating frame 204
Axial limiting assembling between the second Insulating frame 206, and then be conducive to promote assembly precision, realize the slot of Insulated winding wire slot
Interior space maximizes setting.
Wherein, the first Insulating frame 204 can be upper Insulating frame, and the second Insulating frame 206 can be lower Insulating frame.
As a kind of set-up mode, the first dead ring is identical as the diameter of the excircle of the second ring, and is less than ring gear portion 202
Excircle diameter.
In any of the above-described embodiment, it is preferable that the bending tooth 2032 of 2030 both sides of any straight-tooth is right with respect to straight-tooth 2030
Claim setting；Stator slot includes the first stator slot 2022A and the second stator slot 2024A, and docking groove includes corresponding first docking groove
With the second docking groove；It includes the first circumferential extensions, oblique main body and second week successively from the inside to the outside to bend tooth 2032 radially
To extension, wherein for any bending tooth 2032, the side of the side side wall and the first circumferential extensions connecting of oblique main body
Wall, and the side wall of the side straight-tooth 2030 of connection enclose and set to form the first shape stator slot, the side wall in second circumferentially extending portion, and even
The other side side wall of the oblique main body connect, and the side wall of the other side straight-tooth 2030 of connection enclose and set to form the second shape stator slot,
First stator slot 2022A includes the first shape stator slot and the second shape stator slot, and the second stator slot 2024A also includes the first shape stator
Slot and the second shape stator slot.
Wherein, bending tooth 2032 may be constructed such that Z-shaped tooth or S-shaped tooth.
As shown in figure 9, in any of the above-described embodiment, it is preferable that further include：Yoke ring portion 208, can be with ring gear portion 202
Separation is set on the lateral wall in ring gear portion 202.
In this embodiment, it by the way that yoke ring portion 208 is arranged, and is socketed with the lateral wall in ring gear portion 202, to close stator
The notch of slot, to make winding be in circumferentially closed Insulated winding wire slot, on the one hand, winding is protected in realization same
When, the intensity of motor stator is improved, on the other hand, by setting yoke ring portion 208 and ring gear portion 202 to separable structure,
Stator structure can be simplified, reduce assembling difficulty.
As shown in figure 8, in any of the above-described embodiment, it is preferable that further include：First winding 210 and the second winding 212,
It is embedded respectively in Insulated winding wire slot, the first winding 210 is set to the inner ring side of the second winding 212.
A kind of motor is proposed according to an embodiment of the invention, including：Rotor described in above-described embodiment, Yi Jiyu
Rotor is arranged the motor stator of assembling.
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 motor stator, which is characterized in that including：
Ring gear portion, including the first ring gear section for docking in an axial direction and the second ring gear section, the first ring gear section includes multiple along week
To the first stator slot of arrangement, the second ring gear section includes multiple the second stator slots circumferentially arranged, and the multiple first
Stator slot is correspondingly arranged one by one with the multiple second stator slot, and the side wall of corresponding second stator slot is located at described first
The inside of the side wall of stator slot；
First Insulating frame, including multiple the first grafting cylinders being circumferentially arranged, the multiple first grafting cylinder correspond to grafting
In in the multiple first stator slot；
Second Insulating frame, including multiple the second grafting cylinders being circumferentially arranged, the multiple second grafting cylinder correspond to grafting
In in the multiple second stator slot, and extend into first stator slot, to cover the first grafting cylinder,
Wherein, the inner wall of the second grafting cylinder, which encloses, sets to form Insulated winding wire slot.
2. motor stator according to claim 1, which is characterized in that
Second stator slot is forming step structure with the docking location of first stator slot, the first grafting cylinder
End face can be bonded with the horizontal plane of the step structure, axial to be carried out to the first grafting cylinder by the step structure
Limit.
3. motor stator according to claim 1, which is characterized in that
The width of the step structure is greater than or equal to the wall thickness of the first grafting cylinder.
4. motor stator according to claim 1, which is characterized in that
The axial length of first stator slot is less than the axial length of second stator slot.
5. motor stator according to claim 4, which is characterized in that
The axial length of first stator slot is greater than or equal to 2mm, and is less than or equal to 4mm.
6. motor stator according to claim 3, which is characterized in that
The wall thickness of the first grafting cylinder is greater than or equal to 0.3mm, and is less than or equal to 0.5mm；
The wall thickness of the second grafting cylinder is greater than or equal to 0.3mm, and is less than or equal to 0.5mm.
7. motor stator according to claim 1, which is characterized in that
The step structure includes the first shape step structure and the second shape step structure；
The first ring gear section includes multiple first bendings teeth and multiple first straight-tooth, the multiple first bending tooth with it is described with
Multiple circumferentially alternating arrangements of first straight-tooth, first stator slot is by the adjacent first bending tooth and first straight-tooth
It encloses and sets to be formed；
The second ring gear section includes multiple second bendings teeth and multiple second straight-tooth, the multiple second bending tooth with it is described with
Multiple circumferentially alternating arrangements of second straight-tooth, second stator slot is by the adjacent second bending tooth and second straight-tooth
It encloses and sets to be formed；
Wherein, the facewidth of the corresponding first bending tooth is less than described second facewidth for bending tooth, in both sides formation width
The identical first shape step structure, the facewidth of corresponding first straight-tooth are less than the facewidth of second straight-tooth, with
The identical second shape step structure of both sides formation width.
8. motor stator according to claim 1, which is characterized in that
First Insulating frame includes the first dead ring, and the multiple the first grafting cylinder row circumferentially is located at described first
On the lower face of dead ring, and extend axially downward；
Second Insulating frame includes the second dead ring, and the multiple the second grafting cylinder row circumferentially is located at described second
On the upper surface of dead ring, and extend axially upward,
Wherein, the multiple second grafting cylinder correspondence is plugged in the multiple second stator slot, to first stator slot
Interior extension, and abutted with the lower face of first dead ring.
9. motor stator according to any one of claim 1 to 8, which is characterized in that further include：
Yoke ring portion, can with the toothed ring section from be set on the lateral wall in the ring gear portion.
10. motor stator according to any one of claim 1 to 8, which is characterized in that further include：
First winding and the second winding are embedded respectively in the Insulated winding wire slot, and first winding is set to described second
The inner ring side of winding.
11. a kind of motor, which is characterized in that including：
Motor stator as described in any one of claims 1 to 10；
Rotor is arranged assembling with the motor stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810537495.XA CN108462264A (en) | 2018-05-30 | 2018-05-30 | Motor stator and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810537495.XA CN108462264A (en) | 2018-05-30 | 2018-05-30 | Motor stator and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108462264A true CN108462264A (en) | 2018-08-28 |
Family
ID=63215657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810537495.XA Pending CN108462264A (en) | 2018-05-30 | 2018-05-30 | Motor stator and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108462264A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112401690A (en) * | 2019-08-23 | 2021-02-26 | 广东美的生活电器制造有限公司 | Food processing device |
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|---|---|---|---|---|
| CN1792017A (en) * | 2004-09-01 | 2006-06-21 | 三菱电机株式会社 | Motor and electric air blower with same |
| CN103138424A (en) * | 2011-12-01 | 2013-06-05 | 利大溪工业股份有限公司 | Motor stator |
| CN203233253U (en) * | 2013-01-06 | 2013-10-09 | 广东威灵电机制造有限公司 | Motor |
| CN106300754A (en) * | 2015-06-29 | 2017-01-04 | 罗伯特·博世有限公司 | Insulation section bar and motor |
| CN208571732U (en) * | 2018-05-30 | 2019-03-01 | 广东威灵电机制造有限公司 | Motor stator and motor |
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2018
- 2018-05-30 CN CN201810537495.XA patent/CN108462264A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1792017A (en) * | 2004-09-01 | 2006-06-21 | 三菱电机株式会社 | Motor and electric air blower with same |
| CN103138424A (en) * | 2011-12-01 | 2013-06-05 | 利大溪工业股份有限公司 | Motor stator |
| CN203233253U (en) * | 2013-01-06 | 2013-10-09 | 广东威灵电机制造有限公司 | Motor |
| CN106300754A (en) * | 2015-06-29 | 2017-01-04 | 罗伯特·博世有限公司 | Insulation section bar and motor |
| CN208571732U (en) * | 2018-05-30 | 2019-03-01 | 广东威灵电机制造有限公司 | Motor stator and motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112401690A (en) * | 2019-08-23 | 2021-02-26 | 广东美的生活电器制造有限公司 | Food processing device |
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Application publication date: 20180828 |