CN114094730A - Stator structure, motor and electrical equipment - Google Patents
Stator structure, motor and electrical equipment Download PDFInfo
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- CN114094730A CN114094730A CN202111469930.8A CN202111469930A CN114094730A CN 114094730 A CN114094730 A CN 114094730A CN 202111469930 A CN202111469930 A CN 202111469930A CN 114094730 A CN114094730 A CN 114094730A
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- stator
- teeth
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- tooth
- stator teeth
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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
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
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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
- H02K1/165—Shape, form or location of the slots
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
- H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
- H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/06—Machines characterised by the wiring leads, i.e. conducting wires for connecting the winding terminations
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- 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)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention provides a stator structure, a motor and electrical equipment, comprising: stator core, stator core include stator yoke and a plurality of stator tooth, and a plurality of stator tooth sets up on the stator yoke, forms the stator slot between the adjacent stator tooth, and the stator tooth includes: the stator yoke is provided with a stator yoke and a stator yoke, and the stator yoke is provided with a stator yoke and a stator yoke; the winding is arranged on the stator teeth and comprises flat wires which are intensively wound on the stator teeth, the flat wires are wound on the stator teeth in multiple layers, the number of the flat wires on one layer of the winding, which is far away from the stator teeth, is not more than that of the flat wires on one layer of the winding, which is close to the stator teeth, wherein the width of one side of the tooth body, which is close to the tooth shoes, is 2 × t1, the width of one side of the tooth body, which is close to the stator yoke, is 2 × t2, and 1.5 × t1 is not less than t2 and not less than t 1. Adopt the form of concentrated winding, the automatic wire winding of the flat line of being convenient for to and, through the idle of the size to the stator tooth, promoted the full groove rate of flat line, and then compromise economic cost and motor performance.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a stator structure, a motor and electrical equipment.
Background
In the correlation technique, the stator winding of motor can adopt the flat line coiling, and the more distributed winding, parallel slot structure that adopt of the motor of common flat line winding formula need be equipped with comparatively complicated spooling equipment, and centralized winding does benefit to automatic winding, but its full slot rate is lower, consequently, how under the wire-wound circumstances of being convenient for, promote full slot rate and become the technical problem that waits to solve urgently.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
To this end, a first aspect of the invention proposes a stator structure.
A second aspect of the invention proposes an electric machine.
A third aspect of the invention proposes an electrical apparatus.
In view of the above, according to a first aspect of the present invention, there is provided a stator structure comprising: stator core, stator core include stator yoke and a plurality of stator tooth, and a plurality of stator tooth sets up on the stator yoke, forms the stator slot between the adjacent stator tooth, and the stator tooth includes: the stator yoke is provided with a stator yoke and a stator yoke, and the stator yoke is provided with a stator yoke and a stator yoke; the winding is arranged on the stator teeth and comprises flat wires which are intensively wound on the stator teeth, the flat wires are wound on the stator teeth in multiple layers, the number of the flat wires on one layer of the winding, which is far away from the stator teeth, is not more than that of the flat wires on one layer of the winding, which is close to the stator teeth, wherein the width of one side of the tooth body, which is close to the tooth shoes, is 2 × t1, the width of one side of the tooth body, which is close to the stator yoke, is 2 × t2, and 1.5 × t1 is not less than t2 and not less than t 1.
The invention provides a stator structure, which comprises a stator core and a winding, wherein the stator core comprises a stator yoke and a plurality of stator teeth arranged on the stator yoke, stator slots are formed between adjacent stator teeth, the winding comprises flat wires, the flat wires are wound on the stator teeth to form windings, the flat wires are in a concentrated winding form, the flat wires on the same stator teeth are more regular and are beneficial to improving the slot filling rate, and the flat wires are wound on the stator teeth in a multilayer structure, wherein the number of the flat wires on a layer of the winding far away from the stator teeth is not more than that of the flat wires on a layer of the winding near the stator teeth, the length of one end of the winding far away from the stator teeth in the radial direction of the stator core is less than that of one end of the winding near the stator teeth in the radial direction of the stator core, and the winding on one stator tooth in one stator slot forms a structure similar to a triangle, and then can reduce the crossing probability of winding on two different stator teeth, under the same circumstances, probably hold more flat wires in a stator slot to promote stator core's full slot rate, promote the efficiency of motor.
And, the stator tooth includes: the tooth body is arranged on the stator yoke; the tooth boots are arranged on the tooth body. The stator teeth comprise tooth bodies and tooth shoes arranged at the tail ends of the tooth bodies, so that windings can be arranged on the tooth bodies, and the air gaps of the motor are improved through the tooth shoes.
Furthermore, the width of the side of the tooth body close to the tooth shoe is 2 × t1, the width of the side of the tooth body close to the stator yoke is 2 × t2, and 1.5 × t1 is more than or equal to t2 and more than or equal to t 1.
That is, the width of the side of the tooth body close to the tooth shoe is 2 × t1, the width of the side of the tooth body close to the stator yoke is 2 × t2, 1.5 times of the half t1 of the width of the side of the tooth body close to the tooth shoe is greater than or equal to the half t2 of the width of the side of the tooth body close to the stator yoke, the half t2 of the width of the side of the tooth body close to the stator yoke is greater than or equal to the half t1 of the width of the side of the tooth body close to the tooth shoe, and the included angle between the side walls of the two sides of the stator slot is moderate, which is more beneficial to increasing the cross-sectional area of the stator slot and is more beneficial to accommodating more flat wires.
And, adopt the form of concentrated winding, the automatic wire winding of the flat line of being convenient for to and, through the idle of the size to the stator tooth, promoted the full groove rate of flat line, and then compromise economic cost and motor performance.
In addition, according to the stator structure in the above technical solution provided by the present invention, the following additional technical features may also be provided:
in addition to the above technical solution, further, the stator yoke faces one side of the stator tooth, and the intermediate portion between adjacent stator teeth is a bottom wall of the stator slot, and one side of the stator tooth facing the stator slot is a side wall of the stator slot, wherein a length of a cross section of the flat wire is x, a width of the cross section of the flat wire is y, a linear distance between ends of the two side walls facing the bottom wall is n, a linear distance between ends of the two side walls facing away from the bottom wall is m, and a distance between two ends of the side walls in a radial direction of the stator core is h, wherein 0.25 × h/m < x/y <6 × h/n.
In the technical scheme, the stator slot is enclosed by a stator yoke and two adjacent stator teeth, that is, the part of the stator yoke between two adjacent stator teeth is the bottom wall of the stator slot between the two adjacent stator teeth, the stator slot is enclosed by the stator yoke and two adjacent stator teeth, that is, the part of the stator yoke between two adjacent stator teeth is the bottom wall of the stator slot between the two adjacent stator teeth, wherein the side wall of one stator tooth is the side wall of one side of the stator slot, the side wall of the other stator tooth is the side wall of the other side of the stator slot, and the length of the section of the flat wire is x, the width of the section of the flat wire is y, the linear distance between the ends of the two side walls facing the bottom wall is n, the linear distance between the ends of the two side walls facing away from the bottom wall is m, and in the radial direction of the stator core, the distance between the two ends of the side wall is h, the requirement of 0.25 multiplied by h divided by m < x divided by y <6 multiplied by h divided by n is met, the cross section of the stator slot can be regarded as a trapezoid, the upper bottom, the lower bottom and the height of the trapezoid are arranged, the relation between the length and the width of the flat wire is limited, the waste of the inner space of the stator slot can be reduced as much as possible, and the slot filling rate of the stator slot is improved as much as possible.
On the basis of any one of the above technical solutions, further, the adjacent flat wires are attached to each other along the radial direction of the stator core.
In this technical scheme, along stator core's radial, laminate mutually between the adjacent flat line, and then zero distance between the flat line promotes the quantity that can hold the flat line in the stator slot, promotes stator core's full groove rate.
On the basis of any one of the above technical solutions, further, the adjacent flat wires are attached to each other along the circumferential direction of the stator core.
In this technical scheme, along stator core's circumference, laminate mutually between the adjacent flat line, and then zero distance between the flat line promotes the quantity that can hold the flat line in the stator slot, promotes stator core's full groove rate.
On the basis of any one of the above technical solutions, further, the stator teeth are trapezoidal stator teeth or parallel stator teeth.
In the technical scheme, the stator teeth can adopt trapezoidal stator teeth or parallel stator teeth.
On the basis of any one of the above technical solutions, further, the bottom wall is a plane, an arc surface, a combination of a plurality of planes, a combination of a plurality of arc surfaces, or a combination of a plurality of arc surfaces and planes.
In the technical scheme, the groove bottom of the stator tooth can be in a planar structure, an arc-shaped surface structure, a structure formed by combining a plurality of planes, a structure formed by combining a plurality of arc surfaces or a structure formed by combining a plurality of planes and arc surfaces.
On the basis of any technical scheme, furthermore, the bottom wall is a plane, an included angle beta between the bottom wall and the side wall is not less than pi ÷ 2-pi ÷ Z1, wherein Z1 is the number of the stator teeth.
In the technical scheme, an included angle beta between the bottom wall and the side wall is not less than pi ÷ 2-pi ÷ Z1, so that a large angle is formed between the bottom wall and the side wall of the stator slot, the cross-sectional area of the stator slot is increased, the number of flat wires which can be contained in the stator slot is increased, and the efficiency of the motor is improved.
On the basis of any technical scheme, further, the bottom wall is an arc surface, an included angle beta between the side wall and a tangent line passing through the intersection point of the bottom wall and the side wall is not less than pi ÷ 2-pi ÷ Z1, wherein Z1 is the number of the stator teeth.
In this technical scheme, contained angle beta between lateral wall and the tangent line of crossing the diapire is no less than pi ÷ 2-pi ÷ Z1, and then makes and form a great angle between the diapire of stator slot and the lateral wall to promote the cross-sectional area of stator slot, promote the stator slot and can hold the quantity of flat line, promote the efficiency of motor.
On the basis of any one of the above technical solutions, further, the number of the flat wires of different windings in the same stator slot is the same.
In this technical scheme, the winding on two stator teeth need to be held in a stator slot, and then the quantity of the flat line of the different windings in same stator slot is the same, can make different windings divide a stator slot equally, and then makes the quantity of the flat line of every winding all the same to make stator structure form more even in magnetic field, and the flat line quantity of every winding can both maximize.
On the basis of any one of the above technical solutions, further, an insulating member is disposed between the stator core and the winding.
In the technical scheme, the insulating part is arranged between the stator iron core and the winding, so that the current is concentrated on the winding, and the influence on the magnetic field environment caused by the current absorbed by the iron core is reduced.
On the basis of any one of the above technical solutions, further, the flat wire includes: a wire; and the insulating layer is arranged outside the lead.
In this technical scheme, the flat line is including the direction and set up the insulating layer in the wire outside, and the insulating layer makes the flat line can only be electrically conductive through the direction of coiling, and then does benefit to and realizes electromagnetic induction, promotes magnetic field intensity.
According to a second aspect of the invention, the invention proposes an electrical machine comprising: a rotor structure; the stator structure provided by any one of the above technical solutions.
The motor provided by the present invention includes the stator structure provided in any one of the above technical solutions, so that all the advantages of the stator structure provided in any one of the above technical solutions are provided, and are not further stated herein.
According to a third aspect of the invention, the invention proposes an electrical apparatus comprising: the motor provided by any one of the technical schemes.
The electrical equipment provided by the invention comprises the motor provided by any one of the above technical schemes, so that all the beneficial effects of the motor provided by any one of the above technical schemes are achieved, and the description is omitted.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a stator structure according to an embodiment of the present invention;
FIG. 2 illustrates a partial schematic view of a stator structure provided in accordance with one embodiment of the present invention;
FIG. 3 is a structural schematic diagram illustrating a cross-section of a flat wire of a stator structure provided in accordance with one embodiment of the present invention;
FIG. 4 illustrates a partial schematic structural view of a stator structure provided in accordance with one embodiment of the present invention;
FIG. 5 illustrates a partial schematic view of a stator structure provided in accordance with one embodiment of the present invention;
FIG. 6 illustrates a partial schematic structural view of a stator structure provided in accordance with one embodiment of the present invention;
FIG. 7 illustrates a partial schematic view of a stator structure provided in accordance with one embodiment of the present invention;
FIG. 8 illustrates a partial structural schematic of a stator structure provided in accordance with one embodiment of the present invention;
FIG. 9 illustrates a partial structural schematic of a stator structure provided in accordance with one embodiment of the present invention;
FIG. 10 illustrates a partial structural schematic of a stator structure provided in accordance with one embodiment of the present invention;
figure 11 shows a comparison of slot fill, efficiency and copper loss for a stator structure provided by some embodiments of the present invention applied to an electric machine and a related art electric machine.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 10 is:
100 stator structure, 110 stator core, 112 stator yoke, 114 stator teeth, 116 tooth body, 118 tooth shoe, 120 stator slot, 122 bottom wall, 124 first side wall, 126 second side wall, 130 winding, 132 flat wire, 134 conducting wire, 136 insulating layer, 140 insulating piece.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A stator structure 100, a motor, and an electric device provided according to some embodiments of the present invention are described below with reference to fig. 1 to 11.
Example 1:
as shown in fig. 1, 2, 4, 5, 6, 7, 8, 9 and 10, the present invention provides a stator structure 100 including: the stator core 110 is wound on a winding 130 of the stator core 110, wherein the winding 130 is formed by concentrated winding, the stator core 110 includes a stator slot 120 and a plurality of stator teeth 114, the stator yoke 112 is annular, the plurality of stator teeth 114 are disposed at intervals on an inner ring of the stator yoke 112, the stator slot 120 is formed between adjacent stator teeth 114, the winding 130 is wound on the stator teeth 114 and is partially disposed in the stator slot 120, wherein the winding 130 is formed by flat wires 132, a plurality of layers of flat wires 132 are wound on each stator tooth 114, the plurality of layers of flat wires 132 are disposed outside the stator teeth 114, and the number of flat wires 132 of one layer of flat wires 132 on the stator teeth 114, which are close to the stator teeth 114, is not less than the number of flat wires 132 of one layer of flat wires 132 on the stator teeth 114, which are far away from the stator teeth 114.
The invention provides a stator structure 100, which comprises a stator core 110 and a winding 130, wherein the stator core 110 comprises a stator yoke 112 and a plurality of stator teeth 114 arranged on the stator yoke 112, stator slots 120 are formed between adjacent stator teeth 114, the winding 130 comprises flat wires 132, the flat wires 132 are wound on the stator teeth 114 to form the winding 130, and the flat wires 132 are in a concentrated winding form, so that the flat wires 132 on the same stator teeth 114 are more regular and beneficial to improving the slot filling factor, and the flat wires 132 are wound on the stator teeth 114 in a multi-layer structure, wherein the number of the flat wires 132 on one layer of the winding 130 far away from the stator teeth 114 is not more than the number of the flat wires 132 on one layer of the winding 130 near the stator teeth 114, and the length of one end of the winding 130 far away from the stator teeth 114 in the radial direction of the stator core 110 is less than the length of one end of the winding 130 near the stator teeth 114 in the radial direction of the stator core 110, and furthermore, the winding 130 on one stator tooth 114 in one stator slot 120 forms a structure similar to a triangle, so that the probability of intersection of the windings 130 on two different stator teeth 114 can be reduced, and under the same condition, more flat wires 132 can be accommodated in one stator slot 120, so that the full slot rate of the stator core 110 is improved, and the efficiency of the motor is improved.
Specifically, the flat wire 132 is a wire rod having a rectangular cross section, and specifically, the cross section of the flat wire 132 is uniform in size throughout.
As shown in fig. 1, 2 and 10, further, the stator teeth 114 include: a tooth body 116 and a tooth shoe 118, wherein one end of the tooth body 116 is connected to the stator yoke 112, and the other end is connected to the tooth shoe 118.
In this embodiment, stator teeth 114 include a tooth body 116 and a tooth shoe 118 disposed at the end of tooth body 116, and thus a winding 130 may be disposed on tooth body 116, with full body tooth shoe 118 improving the air gap of the machine.
Further, as shown in FIG. 2 and FIG. 10, the width of the tooth body 116 near the tooth shoe 118 is 2 × t1, the width of the tooth body 116 near the stator yoke 112 is 2 × t2, and 1.5 × t1 ≧ t2 ≧ t 1.
In this embodiment, the width of the side of the tooth body 116 close to the tooth shoe 118 is 2 × t1, the width of the side of the tooth body 116 close to the stator yoke 112 is 2 × t2, 1.5 times of the half t1 of the width of the side of the tooth body 116 close to the tooth shoe 118 is greater than or equal to the half t2 of the width of the side of the tooth body 116 close to the stator yoke 112, and the half t2 of the width of the side of the tooth body 116 close to the stator yoke 112 is greater than or equal to the half t1 of the width of the side of the tooth body 116 close to the tooth shoe 118, so that the included angle between the side walls of the two sides of the stator slot 120 is moderate, which is more beneficial to increase the cross-sectional area of the stator slot 120 and is utilized to accommodate the much more flat wire 132.
As shown in fig. 2 and 10, one stator slot 120 is surrounded by a partial stator yoke 112 and two adjacent stator teeth 114, and in fig. 2 and 10, one complete stator slot 120, a partial stator yoke 112, and each half of two adjacent stator teeth 114 on both sides of the stator slot 120 are shown, so that t2 of the stator teeth 114 in fig. 2 and 10 is the width of half of the tooth body 116 on the side close to the stator yoke 112, and t1 is the width of half of the tooth body 116 on the side close to the tooth shoe 118.
Furthermore, based on the condition that the angle beta is within a certain range, the receiving capacity of the stator slots 120 is not too low, and the stator slots 120 have a certain length in the radial direction of the stator core 110, so that more flat wires 132 can be received, based on the condition that the angle beta is within a certain range, the 1.5 × t1 is not less than t2 and is not less than t 1.
For example: t1 is 5mm, t2 is 7.5mm or more and is 5mm or more, t1 is 4mm or more, t2 is 6mm or more and is 4mm or more, the above is only the distance description, and the values of t1 and t2 can be any values which meet the requirement that t2 is 1.5 multiplied by t1 or more and is t1 or more.
Moreover, the centralized winding mode is adopted, so that the automatic winding of the flat wire 132 is facilitated, and the full slot rate of the flat wire 132 is improved by idling the size of the stator teeth 114, so that the economic cost and the motor performance are considered.
Example 2:
as shown in fig. 5, 8 and 9, in addition to embodiment 1, the stator yoke 112 faces one side of the stator teeth 114, and the portion between the adjacent stator teeth 114 is the bottom wall 122 of the stator slot 120, one side of the stator tooth 114 facing the stator slot 120 is the first side wall 124 of the stator slot 120, the other side of the stator tooth 114 facing the second side wall 126 of the stator slot 120, the length of the cross section of the flat wire 132 is x, the width is y, the linear distance between the ends of the two side walls facing the bottom wall 122 is n, the linear distance between the ends of the two side walls facing away from the bottom wall 122 is m, and the distance between the two ends of the side walls in the radial direction of the stator core 110 is h, wherein 0.25 × h ÷ x ÷ y <6 × h ÷ n.
In this embodiment, the stator slot 120 is surrounded by the stator yoke 112 and two adjacent stator teeth 114, that is, the portion of the stator yoke 112 located between the two adjacent stator teeth 114 is the bottom wall 122 of the stator slot 120 between the two adjacent stator teeth 114, wherein the sidewall of one stator tooth 114 is the first sidewall 124 of the stator slot 120, and the sidewall of the other stator tooth 114 is the second sidewall 126 of the stator slot 120.
The length of the cross section of the flat wire 132 is x, the width of the cross section of the flat wire 132 is y, the linear distance between the ends of the two side walls facing the bottom wall 122 is n, the linear distance between the ends of the two side walls facing away from the bottom wall 122 is m, and the distance between the two ends of the side walls along the radial direction of the stator core 110 is h, which satisfies 0.25 × h/m < x/y <6 × h/n, and further the cross section of the stator slot 120 can be regarded as a trapezoid, and further the upper bottom, the lower bottom and the height of the trapezoid are arranged, and the relationship between the length and the width of the flat wire 132 is limited, so that the waste of the space inside the stator slot 120 can be reduced as much as possible, and the slot filling factor of the stator slot 120 can be improved as much as possible.
Specifically, the flat wire 132 is accommodated inside the stator slot 120, and if the size of the flat wire 132 is not matched with the size of the stator slot 120, the space inside the stator slot 120 may be wasted, and further, the length-width ratio of the cross section of the flat wire 132, the ratio of the height to the upper bottom of the stator slot 120, and the ratio of the height to the lower bottom of the stator slot 120 are defined, so that the number of layers of the flat wire 132 and the number of single-layer flat wires 132 are matched with the stator slot 120, and the remaining space of the stator slot 120 is avoided from being too much to place the flat wire 132.
Example 3:
as shown in fig. 2, 4, 5, 6, 7, 8, 9, and 10, in addition to embodiment 1 or embodiment 2, the adjacent flat wires 132 are bonded to each other in the radial direction of the stator core 110.
In this embodiment, along the radial direction of the stator core 110, the adjacent flat wires 132 are attached to each other, so that the distance between the flat wires 132 is zero, the number of the flat wires 132 that can be accommodated in the stator slots 120 is increased, and the full slot rate of the stator core 110 is increased.
Specifically, in the same layer of flat wire 132, adjacent flat wire 132 is laminated, and then the wire rod that can hold more quantity in the same layer of flat wire 132 helps promoting the full groove rate.
Example 4:
as shown in fig. 2, 4, 5, 6, 7, 8, 9, and 10, in any of embodiments 1 to 3, the adjacent flat wires 132 are bonded to each other in the circumferential direction of the stator core 110.
In this embodiment, along the circumference of the stator core 110, the adjacent flat wires 132 are attached to each other, so that the distance between the flat wires 132 is zero, the number of the flat wires 132 that can be accommodated in the stator slots 120 is increased, and the full slot rate of the stator core 110 is increased.
Specifically, the flat wires 132 of adjacent layers are attached together, and the winding 130 can accommodate more layers of wires, which helps to increase the full slot fraction.
In addition, in the same layer of flat wires 132, the adjacent flat wires 132 are attached to each other, and the adjacent flat wires 132 are attached to each other, so that more wires can be accommodated in the stator slots 120, which is beneficial to increasing the full slot rate.
Example 5:
as shown in fig. 2, in addition to any one of embodiments 1 to 4, trapezoidal stator teeth 114 are further used as the stator teeth 114. The trapezoidal stator teeth 114 mean that the two faces of the stator teeth 114 facing different stator slots 120 have a certain angle therebetween.
Alternatively, the stator teeth 114 are parallel stator teeth 114. The parallel stator teeth 114 mean that two faces of the stator teeth 114 facing different stator slots 120 are parallel to each other.
And the shape of the stator teeth 114 may affect the slot type of the stator slots 120.
Example 6:
as shown in fig. 5, 8 and 9, on the basis of any one of embodiments 1 to 5, further, the stator yoke 112 faces one side of the stator teeth 114, and a portion between adjacent stator teeth 114 is a bottom wall 122 of the stator slot 120, one side of the stator tooth 114 facing the stator slot 120 is a first side wall 124 of the stator slot 120, the other side of the stator tooth 114 faces a second side wall 126 of the stator slot 120, and the bottom wall 122 is a planar structure.
In this embodiment, the stator slot 120 is surrounded by the stator yoke 112 and two adjacent stator teeth 114, that is, the portion of the stator yoke 112 located between the two adjacent stator teeth 114 is the bottom wall 122 of the stator slot 120 located between the two adjacent stator teeth 114, wherein the sidewall of one stator tooth 114 is the first sidewall 124 of the stator slot 120, the sidewall of the other stator tooth 114 is the second sidewall 126 of the stator slot 120, and the slot bottom of the stator tooth 114 may be a planar structure.
Further, the angle β ≧ π/2- π/Z1 between the bottom wall 122 and the first side wall 124, where Z1 is the number of stator teeth 114. Likewise, the angle β between the bottom wall 122 and the second side wall 126 is equal.
In this embodiment, the included angle β ≧ pi ÷ 2-pi ÷ Z1 between the bottom wall 122 and the first side wall 124, so that a larger angle is formed between the bottom wall 122 and the first side wall 124 of the stator slot 120, thereby increasing the cross-sectional area of the stator slot 120, increasing the number of flat wires 132 that the stator slot 120 can accommodate, and increasing the efficiency of the motor. Specifically, taking the number of stator teeth 114 as 12 for example, β ≧ π/2- π/12, and further β ≧ 5 π/12. Thereby avoiding the excessively small angle β and improving the ability of the stator slots 120 to accommodate the flat wire 132. Likewise, the angle β between the bottom wall 122 and the second side wall 126 is equal, which has the same effect.
Example 7:
as shown in fig. 6, in any of embodiments 1 to 5, further, the stator yoke 112 faces one side of the stator teeth 114, and a portion between adjacent stator teeth 114 is a bottom wall 122 of the stator slot 120, one side of the stator tooth 114 facing the stator slot 120 is a first side wall 124 of the stator slot 120, the other side of the stator tooth 114 facing the second side wall 126 of the stator slot 120, and the bottom wall 122 is a combination of multiple planes.
In this embodiment, the stator slot 120 is surrounded by the stator yoke 112 and two adjacent stator teeth 114, that is, the portion of the stator yoke 112 located between the two adjacent stator teeth 114 is the bottom wall 122 of the stator slot 120 located between the two adjacent stator teeth 114, wherein the sidewall of one stator tooth 114 is the first sidewall 124 of the stator slot 120, the sidewall of the other stator tooth 114 is the second sidewall 126 of the stator slot 120, and thus the slot bottom of the stator tooth 114 may be a structure combining a plurality of planes.
Specifically, the bottom wall 122 of the stator slot 120 is composed of two sections of planes, the boundary of the two sections of planes is the bisector of the stator slot 120, and the stator slots 120 on the two sides are axisymmetrical with the bisector of the stator slot 120 as the reference.
Further, the angle β ≧ π/2- π/Z1 between the bottom wall 122 and the first side wall 124, where Z1 is the number of stator teeth 114. Likewise, the angle β between the bottom wall 122 and the second side wall 126 is equal.
In this embodiment, the included angle β ≧ pi ÷ 2-pi ÷ Z1 between the bottom wall 122 and the first side wall 124, so that a larger angle is formed between the bottom wall 122 and the first side wall 124 of the stator slot 120, thereby increasing the cross-sectional area of the stator slot 120, increasing the number of flat wires 132 that the stator slot 120 can accommodate, and increasing the efficiency of the motor. Specifically, taking the number of stator teeth 114 as 12 for example, β ≧ π/2- π/12, and further β ≧ 5 π/12. Thereby avoiding the excessively small angle β and improving the ability of the stator slots 120 to accommodate the flat wire 132. Likewise, the angle β between the bottom wall 122 and the second side wall 126 is equal, which has the same effect.
Example 8:
as shown in fig. 7, on the basis of any one of embodiments 1 to 5, further, the stator yoke 112 faces one side of the stator teeth 114, and the portion between the adjacent stator teeth 114 is a bottom wall 122 of the stator slot 120, one side of the stator tooth 114 facing the stator slot 120 is a first side wall 124 of the stator slot 120, the other side of the stator tooth 114 faces a second side wall 126 of the stator slot 120, and the bottom wall 122 is in an arc surface structure.
In this embodiment, the stator slot 120 is surrounded by the stator yoke 112 and two adjacent stator teeth 114, that is, the portion of the stator yoke 112 located between the two adjacent stator teeth 114 is the bottom wall 122 of the stator slot 120 located between the two adjacent stator teeth 114, wherein the sidewall of one stator tooth 114 is the first sidewall 124 of the stator slot 120, the sidewall of the other stator tooth 114 is the second sidewall 126 of the stator slot 120, and the slot bottom of the stator tooth 114 may be a cambered surface structure.
Further, the angle β ≧ π/2- π/Z1 between the tangent b passing through the intersection of the bottom wall 122 and the first side wall 124, wherein Z1 is the number of stator teeth 114. The angle between the tangent b passing through the intersection of the bottom wall 122 and the second side wall 126 is equal to β.
In this embodiment, the included angle β ≧ pi ÷ 2-pi ÷ Z1 between the first side wall 124 and the tangent b passing through the bottom wall 122, so that a large angle is formed between the bottom wall 122 of the stator slot 120 and the first side wall 124, thereby increasing the cross-sectional area of the stator slot 120, increasing the number of flat wires 132 that the stator slot 120 can accommodate, and increasing the efficiency of the motor. Specifically, taking the number of stator teeth 114 as 12 for example, β ≧ π/2- π/12, and further β ≧ 5 π/12. Thereby avoiding the excessively small angle β and improving the ability of the stator slots 120 to accommodate the flat wire 132. Likewise, the angle β between the bottom wall 122 and the second side wall 126 is equal, which has the same effect.
Example 9:
on the basis of any embodiment 1 to embodiment 5, further, the stator yoke 112 faces one side of the stator teeth 114, and the portion between the adjacent stator teeth 114 is a bottom wall 122 of the stator slot 120, one side of the stator tooth 114 facing the stator slot 120 is a first side wall 124 of the stator slot 120, the other side of the stator tooth 114 facing a second side wall 126 of the stator slot 120, and the bottom wall 122 is a structure combining a plurality of arc surfaces.
In this embodiment, the stator slot 120 is surrounded by the stator yoke 112 and two adjacent stator teeth 114, that is, the portion of the stator yoke 112 located between the two adjacent stator teeth 114 is the bottom wall 122 of the stator slot 120 located between the two adjacent stator teeth 114, wherein the sidewall of one stator tooth 114 is the first sidewall 124 of the stator slot 120, the sidewall of the other stator tooth 114 is the second sidewall 126 of the stator slot 120, and thus the slot bottom of the stator tooth 114 may be a structure with a combination of a plurality of arc surfaces.
Specifically, the bottom wall 122 of the stator slot 120 is composed of two arc surfaces, the two arc surfaces are connected to form a bisector of the stator slot 120, and the stator slots 120 on the two sides are axisymmetrical with the bisector of the stator slot 120 as a reference.
Further, the angle β ≧ π/2- π/Z1 between the tangent b passing through the intersection of the bottom wall 122 and the first side wall 124, wherein Z1 is the number of stator teeth 114. The angle between the tangent b passing through the intersection of the bottom wall 122 and the second side wall 126 is equal to β.
In this embodiment, the included angle β ≧ pi ÷ 2-pi ÷ Z1 between the first side wall 124 and the tangent b passing through the bottom wall 122, so that a large angle is formed between the bottom wall 122 of the stator slot 120 and the first side wall 124, thereby increasing the cross-sectional area of the stator slot 120, increasing the number of flat wires 132 that the stator slot 120 can accommodate, and increasing the efficiency of the motor. Specifically, taking the number of stator teeth 114 as 12 for example, β ≧ π/2- π/12, and further β ≧ 5 π/12. Thereby avoiding the excessively small angle β and improving the ability of the stator slots 120 to accommodate the flat wire 132. Likewise, the angle β between the bottom wall 122 and the second side wall 126 is equal, which has the same effect.
Example 10:
on the basis of any one of embodiments 1 to 5, further, the stator yoke 112 faces one side of the stator teeth 114, and the portion between the adjacent stator teeth 114 is a bottom wall 122 of the stator slot 120, one side of the stator tooth 114 facing the stator slot 120 is a first side wall 124 of the stator slot 120, the other side of the stator tooth 114 facing a second side wall 126 of the stator slot 120, and the bottom wall 122 is a structure combining a plurality of planes and arc surfaces.
In this embodiment, the stator slot 120 is surrounded by the stator yoke 112 and two adjacent stator teeth 114, that is, the portion of the stator yoke 112 located between two adjacent stator teeth 114 is the bottom wall 122 of the stator slot 120 located between the two adjacent stator teeth 114, wherein the sidewall of one stator tooth 114 is the first sidewall 124 of the stator slot 120, the sidewall of the other stator tooth 114 is the second sidewall 126 of the stator slot 120, and thus the slot bottom of the stator tooth 114 may be a combination of a plurality of planes and curved surfaces.
Further, if the bottom wall 122 connected to the first side wall 124 is a planar structure, the angle β ≧ π ÷ 2- π ÷ Z1 between the bottom wall 122 and the first side wall 124 is suitable, wherein Z1 is the number of stator teeth 114. Similarly, the bottom wall 122 connected to the second side wall 126 is also a planar structure, and the included angle β between the bottom wall 122 and the second side wall 126 is equal.
If the bottom wall 122 connected to the first side wall 124 is of an arc surface structure, an included angle β ≧ pi ÷ 2-pi ÷ Z1 is applied between a tangent b passing through the intersection of the bottom wall 122 and the first side wall 124, where Z1 is the number of stator teeth 114. Similarly, the bottom wall 122 connected to the second side wall 126 is also a cambered surface structure, and the included angle β between the tangent b passing through the intersection of the bottom wall 122 and the second side wall 126 is equal.
Example 11:
as shown in fig. 2, 4, and 10, in addition to any one of embodiments 1 to 10, the number of the flat wires 132 of different windings 130 in the same stator slot 120 is the same.
In this embodiment, the windings 130 on the two stator teeth 114 need to be accommodated in one stator slot 120, and then the number of the flat wires 132 of different windings 130 in the same stator slot 120 is the same, so that different windings 130 bisect one stator slot 120, and further the number of the flat wires 132 of each winding 130 is the same, so that the magnetic field formed by the stator structure 100 is more uniform, and the number of the flat wires 132 of each winding 130 can be maximized.
Specifically, the windings 130 on each stator tooth 114 are identical in structure.
Example 12:
as shown in fig. 2 and 10, in addition to any one of embodiments 1 to 11, further, an insulator 140 is provided between the stator core 110 and the winding 130.
In this embodiment, the insulation 140 is disposed between the stator core 110 and the winding 130, so that the current is concentrated on the winding 130, and the influence of the magnetic field environment due to the current absorbed by the core is reduced.
Specifically, the thickness of the insulating member 140 is generally thin, and thus the insulating member 140 may not be considered in practical applications. Of course, the thickness of the insulating member 140 may be considered, so that the parameters of the stator slots 120 are set slightly larger.
Example 13:
as shown in fig. 3, on the basis of any one of embodiments 1 to 11, further, the flat wire 132 includes a conductive wire 134 and an insulating layer 136, and the insulating layer 136 is provided outside the conductive wire 134.
In this embodiment, the flat wire 132 includes an insulating layer 136 guiding and disposed outside the conducting wire 134, and the insulating layer 136 enables the flat wire 132 to conduct electricity only in the winding direction, thereby facilitating the realization of electromagnetic induction and increasing the magnetic field strength.
Specifically, the insulating layer 136 has a uniform thickness around the conductive line 134, and has a thickness L. The conductive wire 134 may be a copper wire or an aluminum wire.
Example 14:
as shown in fig. 2, in the stator structure 100 according to the embodiment of the present invention, t1 is t2 in the stator teeth 114. The number of teeth Z1 of the stator teeth 114 is 12, and β ═ pi ÷ 2 — pi ÷ Z1 ═ 5 pi ÷ 12. Three layers of flat wires 132 are axially arranged on the stator teeth 114, and each layer comprises q flat wires 132(q is more than or equal to 1). Adjacent windings 130 are radially fitted, and the number of flat wires 132 of the winding 130 on the side of the circumferential winding 130 away from the stator teeth 114 is not higher than the number of flat wires 132 of the winding 130 on the side of the circumferential winding 130 close to the stator teeth 114.
As shown in fig. 3, when the size of the conductor in the flat wire 132 is added to the thickness L of the insulating layer 136, the cross-sectional length of the flat wire 132 is x, and the cross-sectional width is y. The slot fill of the actual conductor 134 may reach 64.77%.
Specifically, as shown in fig. 4, the winding 130 is a concentrated winding 130, the slot shape of the stator slot 120 is equivalent to a trapezoid, Z1 is 12, and β ═ pi ÷ 2-pi ÷ Z1 ═ 5 pi ÷ 12, and the parameters of the trapezoid are m ═ 5.01, N ═ 11.46, and h ═ 12.03, respectively, wherein the tooth body 116, the slot opening, and the slot bottom have the insulator 140, and the flat wires 132 are arranged regularly along the respective portions of the insulator 140, and the total number of conductors N is 23.
Example 15:
as shown in fig. 5, 6 and 7, in the stator structure 100 according to an embodiment of the present invention, the slot shape of the stator slot 120 is equivalent to a trapezoid, where β 1 ═ 5 pi ÷ 12 ═ pi ÷ 2-pi ÷ Z1, the slot bottom is a sharp-angled trapezoid, β 2 ═ 4 pi ÷ 9> pi ÷ 2-pi ÷ Z1,
Example 16:
as shown in fig. 8, an embodiment of the present invention provides a stator structure 100 having the same slot type structure as that of embodiment 16, i.e., t1 is equal to t2, the slot type is matched with the winding 130, β ═ pi ÷ 2-pi ÷ Z1 ═ 5 pi ÷ 12, x ═ 1.6mm is used for the conductor, and y ═ 1.03mm is used.
As shown in fig. 11, specifically, when the number of turns N is equal to 18, the related art uses a round wire, and when a round wire of the concentrated winding 130 is used, the stator slots 120 cannot be completely covered, and there is a gap between the round wire and the round wire, so that the actual slot fill factor of the copper conductor is not high, which is 46.70%, the copper loss is close to 18W, and the efficiency is 91.91%. Under the flat wire 132 condition was adopted to this embodiment, the full rate of groove reached 49.10%, and the copper loss is a little more than 16W, and efficiency is 92.20%, and the full rate of motor groove rises, and the copper loss descends for motor efficiency promotes 0.3%.
The winding 130 has three layers of flat wires 132, and the number of the flat wires 132 in one layer close to the stator teeth 114 to the number of the flat wires 132 in one layer far from the stator teeth 114 is 7, 6, and 5 in this order.
Example 17:
as shown in fig. 9, an embodiment of the present invention provides a stator structure 100 having the same slot type structure as that of embodiment 16, i.e., t1 is equal to t2, the slot type is matched with the winding 130, β ═ pi ÷ 2-pi ÷ Z1 ═ 5 pi ÷ 12, and x ═ 2.9mm and y ═ 0.8mm are used for the conductor.
As shown in fig. 11, when the number of turns N is equal to 18, the related art uses a round wire, and when a round wire of the concentrated winding 130 is used, the stator slots 120 cannot be completely covered, and there is a gap between the round wire and the round wire, so that the actual slot fill factor of the copper conductor is not high, which is 46.70%, the copper loss is close to 18W, and the efficiency is 91.91%. The embodiment optimizes and improves the x and y dimensions of the flat wire 132 on the basis of embodiment 16, the slot full rate reaches 68.90%, copper is lower than 12W, the efficiency is 93.90%, the motor slot full rate is increased, the copper loss is further reduced, and the motor efficiency is improved by 2%.
The winding 130 has six layers of flat wires 132, and the number of the flat wires 132 in one layer close to the stator teeth 114 to the number of the flat wires 132 in one layer far from the stator teeth 114 is 4, 3, 2 and 1 in sequence.
Example 18:
as shown in fig. 10, in the stator structure 100 according to an embodiment of the present invention, t1 is not equal to t2, the slot shape is matched with the winding 130, β ═ pi ÷ 2 — pi ÷ Z1 ═ 5 pi ÷ 12, the stator teeth 114 in this embodiment have an unequal width structure, m ═ 6.15mm, n ═ 10.40mm, h ═ 12.03mm, t1 ═ 2.92mm, t2 ═ 4.09mm, 1.5 × t1 ≧ t2 ≧ t1 is satisfied, the slot area is the same as that in embodiments 16, 18, and 19, x ≧ 1.49mm, and y ═ 1.53 mm.
As shown in fig. 11, specifically, when the number of turns N is equal to 18, the related art uses a round wire, and when a round wire of the concentrated winding 130 is used, the stator slot 120 cannot be completely covered, and there is a gap between the round wire and the round wire, so that the actual slot fill factor of the copper conductor is not high, but is only 46.7%, the copper loss is close to 18W, and the efficiency is 91.91%. On the basis of embodiment 17, this embodiment adopts the unequal width structure of stator tooth 114 for the number of layers of flat wire 132 reduces to 3, more is favorable to the coiling, and the full rate of groove reaches 69.90%, and copper is less than 12W, and efficiency is 93.90%, and the full rate of motor groove rises, and the copper loss further descends, makes motor efficiency promote 2%.
The winding 130 has three layers of flat wires 132, and the number of the flat wires 132 in one layer close to the stator teeth 114 to the number of the flat wires 132 in one layer far from the stator teeth 114 is 8, and 2 in sequence.
Example 19:
the present invention provides a motor, comprising: a rotor structure; a stator structure 100 as in any of the embodiments described above.
The motor provided by the present invention includes the stator structure 100 provided in any of the above embodiments, and therefore, all the advantages of the stator structure 100 provided in any of the above embodiments are provided, which is not described herein.
Example 20:
the present invention provides an electric appliance, including: an electrical machine as claimed in any one of the above embodiments.
The electrical equipment provided by the invention comprises the motor provided by any embodiment, so that all the beneficial effects of the motor provided by any embodiment are achieved, and the description is omitted.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (13)
1. A stator structure, comprising:
a stator core including a stator yoke and a plurality of stator teeth, the plurality of stator teeth being disposed on the stator yoke, adjacent stator teeth forming stator slots therebetween, the stator teeth including: the tooth body is arranged on the stator yoke, and the tooth shoe is arranged on the tooth body;
the winding is arranged on the stator teeth and comprises flat wires which are intensively wound on the stator teeth, the flat wires are wound on the stator teeth in multiple layers, the number of the flat wires on one layer of the winding, which is far away from the stator teeth, is not more than the number of the flat wires on one layer of the winding, which is close to the stator teeth,
the width of one side of the tooth body close to the tooth shoe is 2 × t1, the width of one side of the tooth body close to the stator yoke is 2 × t2, and 1.5 × t1 is more than or equal to t2 and more than or equal to t 1.
2. The stator structure according to claim 1,
the stator yoke faces one side of the stator teeth, the part between the adjacent stator teeth is the bottom wall of the stator slot, the side of the stator teeth facing the stator slot is the side wall of the stator slot,
wherein the length of the cross section of the flat wire is x, the width of the cross section of the flat wire is y, the linear distance between one ends of the two side walls facing the bottom wall is n, the linear distance between one ends of the two side walls departing from the bottom wall is m, the distance between the two ends of the side walls along the radial direction of the stator core is h,
wherein 0.25 × h/m < x/y <6 × h/n.
3. The stator structure according to claim 1,
and along the radial direction of the stator core, the adjacent flat wires are attached to each other.
4. The stator structure according to claim 1,
and along the circumferential direction of the stator core, the adjacent flat wires are attached to each other.
5. The stator structure according to claim 1,
the stator teeth are trapezoidal stator teeth or parallel stator teeth.
6. The stator structure according to claim 2,
the bottom wall is a plane, an arc surface, a plurality of plane combinations, a plurality of arc surface combinations or a plurality of arc surface and plane combinations.
7. The stator structure according to claim 6,
the bottom wall is a plane, an included angle beta between the bottom wall and the side wall is not less than pi/2-pi/Z1,
wherein Z1 is the number of stator teeth.
8. The stator structure according to claim 6,
the bottom wall is a cambered surface, an included angle beta between the side wall and a tangent line passing through the intersection point of the bottom wall and the side wall is not less than pi/2-pi/Z1,
wherein Z1 is the number of stator teeth.
9. The stator structure according to any one of claims 1 to 5,
the number of the flat wires of different windings in the same stator slot is the same.
10. The stator structure according to any one of claims 1 to 5,
and an insulating part is arranged between the stator core and the winding.
11. The stator structure according to any one of claims 1 to 5, wherein the flat wire includes:
a wire;
and the insulating layer is arranged outside the lead.
12. An electric machine, comprising:
a rotor structure;
a stator structure as claimed in any one of claims 1 to 11.
13. An electrical device, comprising:
the electric machine of claim 12.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111469930.8A CN114094730A (en) | 2021-12-03 | 2021-12-03 | Stator structure, motor and electrical equipment |
| PCT/CN2022/078864 WO2023097912A1 (en) | 2021-12-03 | 2022-03-02 | Stator structure, motor, and electrical equipment |
| EP22899735.9A EP4429077A1 (en) | 2021-12-03 | 2022-03-02 | Stator structure, motor, and electrical equipment |
| US18/676,856 US20240313597A1 (en) | 2021-12-03 | 2024-05-29 | Stator structure, motor, and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111469930.8A CN114094730A (en) | 2021-12-03 | 2021-12-03 | Stator structure, motor and electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114094730A true CN114094730A (en) | 2022-02-25 |
Family
ID=80306479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111469930.8A Pending CN114094730A (en) | 2021-12-03 | 2021-12-03 | Stator structure, motor and electrical equipment |
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| Country | Link |
|---|---|
| CN (1) | CN114094730A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023097912A1 (en) * | 2021-12-03 | 2023-06-08 | 威灵（芜湖）电机制造有限公司 | Stator structure, motor, and electrical equipment |
| CN116526782A (en) * | 2023-05-17 | 2023-08-01 | 跃科智能制造(无锡)有限公司 | Automatic wire-plugging process for flat wire stator |
| CN117578774A (en) * | 2023-12-28 | 2024-02-20 | 合普动力股份有限公司 | Embedded flat wire winding structure applied to motor stator and manufacturing method thereof |
-
2021
- 2021-12-03 CN CN202111469930.8A patent/CN114094730A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023097912A1 (en) * | 2021-12-03 | 2023-06-08 | 威灵（芜湖）电机制造有限公司 | Stator structure, motor, and electrical equipment |
| CN116526782A (en) * | 2023-05-17 | 2023-08-01 | 跃科智能制造(无锡)有限公司 | Automatic wire-plugging process for flat wire stator |
| CN116526782B (en) * | 2023-05-17 | 2024-03-08 | 跃科智能制造(无锡)有限公司 | Automatic wire-plugging process for flat wire stator |
| CN117578774A (en) * | 2023-12-28 | 2024-02-20 | 合普动力股份有限公司 | Embedded flat wire winding structure applied to motor stator and manufacturing method thereof |
| CN117578774B (en) * | 2023-12-28 | 2024-04-09 | 合普动力股份有限公司 | Embedded flat wire winding structure applied to motor stator and manufacturing method thereof |
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