CN215300308U - Novel stator and motor of short-distance winding - Google Patents
Novel stator and motor of short-distance winding Download PDFInfo
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- CN215300308U CN215300308U CN202120188226.4U CN202120188226U CN215300308U CN 215300308 U CN215300308 U CN 215300308U CN 202120188226 U CN202120188226 U CN 202120188226U CN 215300308 U CN215300308 U CN 215300308U
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Abstract
The utility model relates to the technical field of stator winding, in particular to a novel short-distance winding stator and a novel motor, wherein, the novel short-distance winding stator comprises an 8-pole stator body and a three-phase winding, wherein, the stator body is provided with 48 stator slots, each phase winding comprises four parallel branches, and each branch comprises a plurality of layers of flat wire conductors and a plurality of winding connecting wires which are arranged in the stator slots; the flat wire conductors of different stator slots are connected at intervals through the winding connecting wire; compared with the prior art, the utility model provides a pair of novel short distance winding's stator and novel motor, the way of four of every looks is parallelly connected and the wiring can form the short distance type, and the way of four is equallyd divide equally and is distributed and current balance in every looks, has avoided the circulation between the branch road, can also effectively reduce the harmonic when the motor operation.
Description
Technical Field
The utility model relates to a stator winding technical field, in particular to novel short-distance winding's stator and novel motor.
Background
The difference between the flat copper wire motor and the round wire motor lies in the forming mode of copper wires, the flat wires are beneficial to the improvement of the full rate of the motor slots, the full rate of the slots of the general round wire motor is about 40%, and the full rate of the slots of the flat copper wire motor can reach more than 60%. The improvement of the full rate of the groove means that more copper wires can be filled under the premise that the space is not changed, stronger magnetic field intensity is generated, and power density is improved.
With the low carbon, energy conservation and emission reduction becoming the core competitiveness of automobiles, new energy electric automobiles are continuously and vigorously developed, the power density of driving motors of the electric automobiles is higher and higher, flat copper wire windings are applied to pure electric driving motors and hybrid power driving motors of the new energy automobiles more and more, and the requirements on the flat copper wire motors are stronger and stronger. The flat copper wire motor has the advantages of reduced heat generation, reduced volume, high slot filling rate and good motor winding forming, so that the torque-current ratio of the motor is improved, and the flat copper wire motor is becoming an air port developed in the field of new energy drive motors due to the advantages of high power density, low cost, good temperature performance and the like.
However, the design flexibility of the flat copper wire is poor, the wire number and the number of parallel branches cannot be changed at will like the traditional round wire random-embedded winding, although the Chinese patent (with the publication number of CN206164230U) discloses a motor stator and a motor, the efficiency and the power density of the motor are greatly improved, and meanwhile, the heat dissipation level of the flat wire motor is higher than that of the round wire motor due to the close combination of the conductors of each layer of the flat wire; however, because the flat copper wire winding is limited in structure, when multi-branch wiring is performed, imbalance among winding branches and circulation among the branches are easy to generate, short-distance wiring cannot be adopted, and a magnetic field contains a large amount of harmonic waves when the motor runs.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned unbalanced and circulation between the branch road between the winding branch road among the prior art, can not adopt the short distance wiring to make the motor operation magnetic field contain a large amount of harmonic not enough, the utility model provides a pair of novel short distance winding's stator and novel motor can realize that 4 ways are parallelly connected to can become the short distance equivalently, effectively reduce the harmonic of motor operation.
The utility model provides a novel stator of short-distance winding, including 8 utmost point stator bodies and three-phase winding, 48 stator slots have been seted up on the stator body, and every phase winding includes four parallelly connected branches, and every branch includes a plurality of layers of flat line conductor and a plurality of winding connecting wire that locate in the stator slot; and the flat wire conductors of different stator slots are connected at intervals through the winding connecting wire.
Further, each phase winding corresponds to three adjacent stator slots under each pole; the three adjacent stator slots comprise a middle stator slot, a first stator slot which is relatively positioned at the left side of the middle stator slot and a second stator slot which is relatively positioned at the right side of the middle stator slot; and 8 winding connecting wires of one phase in the middle stator slot are arranged, and 4 winding connecting wires of the first stator slot and the second stator slot are arranged.
Further, the flat wire conductor is a flat copper wire, and the winding connecting wire is a flat copper wire or a welding connecting wire.
Furthermore, 8 layers of flat wire conductors including a, b, c, d, e, f, g and h which are sequentially far away from the circle center of the stator body along the radial direction are arranged in each stator slot;
the odd layer flat wire conductor far away from the center of the stator body is connected with the even layer flat wire conductor far away from the center of the stator body at intervals of 5 stator slots; the odd-number layer flat wire conductors far away from the center of the stator body are connected with the odd-number layer flat wire conductors far away from the center of the stator body at intervals of 7 stator slots, wherein the layers a, c, e and g are odd-number layer flat wire conductors, and the layers b, d, f and h are even-number layer flat wire conductors;
two adjacent layers of the flat wire conductors which are away from the circle center of the stator body in sequence are a group, and each group of the flat wire conductors are sequentially connected through winding connecting wires.
Furthermore, each branch comprises four groups of flat wire conductors connected through winding connecting wires, the initial end of the first group of flat wire conductors is connected with the input end of each branch, and the tail end of the fourth group of flat wire conductors is connected with the output end of each branch; the first group of flat wire conductors comprises a layer of flat wire conductors a and a layer of flat wire conductors b, and the fourth group of flat wire conductors comprises a layer of flat wire conductors g and a layer of flat wire conductors h.
Further, the first group of flat wire conductors include a layer a flat wire conductor of the 2 nd stator slot, a layer b flat wire conductor of the 7 th stator slot, a layer a flat wire conductor of the 14 th stator slot, a layer b flat wire conductor of the 19 th stator slot, a layer a flat wire conductor of the 26 th stator slot, a layer b flat wire conductor of the 31 st stator slot, a layer a flat wire conductor of the 38 th stator slot, and a layer b flat wire conductor of the 43 th stator slot, which are connected in sequence by a winding connection wire;
the layer a flat wire conductor of the 2 nd stator slot is connected with the input end of one branch circuit, and the layer b flat wire conductor of the 43 th stator slot is connected with the second group of flat wire conductors through a winding connecting wire.
Further, the second group of flat wire conductors sequentially pass through a c-layer flat wire conductor of a 2 nd stator slot, a d-layer flat wire conductor of a 7 th stator slot, a c-layer flat wire conductor of a 14 th stator slot, a d-layer flat wire conductor of a 19 th stator slot, a c-layer flat wire conductor of a 26 th stator slot, a d-layer flat wire conductor of a 31 th stator slot, a c-layer flat wire conductor of a 38 th stator slot, and a d-layer flat wire conductor of a 43 th stator slot which are connected by a winding connecting wire;
the c-layer flat wire conductor of the 2 nd stator slot is connected with the b-layer flat wire conductor of the 43 th stator slot through a winding connecting wire, and the d-layer flat wire conductor of the 43 th stator slot is connected with the third group of flat wire conductors.
Further, the third group of flat wire conductors sequentially pass through the e-layer flat wire conductor of the 2 nd stator slot, the f-layer flat wire conductor of the 7 th stator slot, the e-layer flat wire conductor of the 14 th stator slot, the f-layer flat wire conductor of the 19 th stator slot, the e-layer flat wire conductor of the 26 th stator slot, the f-layer flat wire conductor of the 31 th stator slot, the e-layer flat wire conductor of the 38 th stator slot, and the f-layer flat wire conductor of the 43 th stator slot which are connected by the winding connecting wire;
and the e-layer flat wire conductor of the 2 nd stator slot is connected with the d-layer flat wire conductor of the 43 th stator slot through a winding connecting wire, and the f-layer flat wire conductor of the 43 th stator slot is connected with the fourth group of flat wire conductors.
Furthermore, the fourth group of flat wire conductors sequentially passes through the g-layer flat wire conductor of the 2 nd stator slot, the h-layer flat wire conductor of the 7 th stator slot, the g-layer flat wire conductor of the 14 th stator slot, the h-layer flat wire conductor of the 19 th stator slot, the g-layer flat wire conductor of the 26 th stator slot, the h-layer flat wire conductor of the 31 th stator slot, the g-layer flat wire conductor of the 38 th stator slot and the h-layer flat wire conductor of the 43 th stator slot which are connected through the winding connecting wire;
the g-layer flat wire conductor of the 2 nd stator slot is connected with the f-layer flat wire conductor of the 43 th stator slot through a winding connecting wire, and the h-layer flat wire conductor of the 43 th stator slot is connected with the output end of one branch.
The utility model also provides a novel short distance winding's motor, including the stator and with the rotor that the stator corresponds, the rotor is 8 utmost point rotors, the stator adopts as above arbitrary any a novel short distance winding's stator.
Compared with the prior art, the utility model provides a pair of novel short distance winding's stator and novel motor, through set up 48 stator slots on 8 utmost point stators, every looks winding of three-phase winding includes four parallelly connected branch roads, every branch road includes that the flat line conductor in the stator slot is located on a plurality of layers, the flat line conductor in different stator slots passes through winding connecting wire interval connection, four ways of every looks are parallelly connected and the wiring can form the short distance type, four ways of every looks are equallyd divide and are distributed and current balance, the circulation between the branch road has been avoided, can also effectively reduce the harmonic when motor operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a stator body according to the present invention;
fig. 2 is a schematic structural diagram of a stator slot provided by the present invention;
fig. 3 is an expanded view of one of the phase windings provided by the present invention;
fig. 4 is a partial enlarged view of fig. 3 provided by the utility model;
reference numerals:
10 stator body 11 stator slot 12 flat wire conductor
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 4, the utility model provides a novel stator of short-distance winding, including 8-pole stator body 10 and three-phase winding, 48 stator slots 11 are provided on the stator body 10, each phase of winding includes four parallel branches, each branch includes a plurality of layers of flat wire conductors 12 and a plurality of winding connecting wires arranged in the stator slots 11; the flat wire conductors 12 of different stator slots 11 are connected at intervals by the winding connecting wire.
In specific implementation, as shown in fig. 1 to 4, in this embodiment, the stator body 10 is an 8-pole stator, 48 stator slots 11 are formed in the stator body 10, each phase winding of the three-phase winding includes four parallel branches, each branch includes a plurality of layers of flat wire conductors 12 arranged in the stator slots 11 and a plurality of winding connection lines, and the flat wire conductors of different stator slots 11 are connected at intervals by the winding connection lines;
specifically, each phase of winding corresponds to three adjacent stator slots 11 in each pole, and the three adjacent stator slots 11 comprise a middle stator slot, a first stator slot relatively positioned on the left side of the middle stator slot and a second stator slot relatively positioned on the right side of the middle stator slot; and 8 winding connecting wires of one phase in the middle stator slot are arranged, and 4 winding connecting wires of the first stator slot and the second stator slot are arranged.
As shown in fig. 3 and 4, in this embodiment, the 1 st stator slot is a middle stator slot, the winding connecting lines of the 1 st stator slot are provided with 8, and the winding connecting lines of the 48 th stator slot located on the left side of the 1 st stator slot and the 2 nd stator slot located on the right side of the 1 st stator slot are provided with 4.
Table 1 shows a wiring diagram of one of the branches provided by the present invention, and preferably, as shown in table 1, in this embodiment, the flat wire conductor 12 is a flat copper wire, and the winding connection wire is a flat copper wire or a welding connection wire; the winding connecting wire includes a dotted line portion and a solid line portion, wherein the dotted line portion is a welding connecting wire, the solid line portion is a jumper connection of the flat wire conductor 12, that is, the solid line portion is a direct connection of the flat wire conductor 12 without welding.
TABLE 1
As shown in fig. 2 to 4, each stator slot 11 is provided with 8 layers of the flat wire conductors 12, i.e., a, b, c, d, e, f, g, and h, which are sequentially away from the center of the stator body 10 in the radial direction, two adjacent layers of the flat wire conductors 12, which are sequentially away from the center of the stator body 10, are in a group, and each group of the flat wire conductors 12 are sequentially connected by a winding connection line.
Specifically, each branch comprises four groups of flat wire conductors 12 connected through a winding connecting wire, the initial end of a first group of flat wire conductors is connected with the input end of each branch, and the tail end of a fourth group of flat wire conductors is connected with the output end of each branch; the first group of flat wire conductors comprise a layer of flat wire conductors and a layer of b layer of flat wire conductors, the second group of flat wire conductors comprise a layer of flat wire conductors and a layer of d layer of flat wire conductors, the third group of flat wire conductors reserve a layer of flat wire conductors, and the fourth group of flat wire conductors comprise a layer of flat wire conductors, namely g and h.
The starting end of the first group of flat wire conductors is connected with the input end of each branch circuit, and the tail end of the fourth group of flat wire conductors is connected with the output end of each branch circuit; the second group of flat wire conductors are respectively connected with the first group of flat wire conductors and the third group of flat wire conductors, and the third group of flat wire conductors are respectively connected with the second group of flat wire conductors and the fourth group of flat wire conductors.
In each group of the flat wire conductors, odd-numbered flat wire conductors which are sequentially far away from the center of the stator body are connected with even-numbered flat wire conductors which are separated by 5 stator slots and are far away from the center of the stator body; the even number layer of flat wire conductors far away from the center of the stator body are connected with the odd number layer of flat wire conductors far away from the center of the stator body at intervals of 7 stator slots.
Specifically, in the embodiment, the three-phase winding comprises U, V, W three phases, four branches of each phase are connected in parallel, four branch input ends of the U-phase winding comprise U1+, U2+, U3+ and U4+, and an output end comprises U1-, U2-, U3-and U4-; the four branch input ends of the V-phase winding comprise V1+, V2+, V3+ and V4+, and the output ends comprise V1-, V2-, V3-and V4-; the four branch input ends of the W-phase winding comprise W1+, W2+, W3+ and W4+, and the output ends are W1-, W2-, W3-and W4-.
As shown in fig. 3 to 4, taking one branch U1 of the U-phase winding as an example, the a-layer flat wire conductor of the 2 nd stator slot is connected to the input terminal U1+ of the U1 branch, and the a-layer flat wire conductor of the 2 nd stator slot, the b-layer flat wire conductor of the 7 th stator slot, the a-layer flat wire conductor of the 14 th stator slot, the b-layer flat wire conductor of the 19 th stator slot, the a-layer flat wire conductor of the 26 th stator slot, the b-layer flat wire conductor of the 31 th stator slot, the a-layer flat wire conductor of the 38 th stator slot, and the b-layer flat wire conductor of the 43 th stator slot are connected in this order through the winding;
the 43 th layer of flat wire conductor of the stator slot is connected with the second group of flat wire conductors through a winding connecting wire, specifically, the 43 th layer of flat wire conductor of the stator slot is connected with the 2 nd layer of flat wire conductor of the stator slot through a winding connecting wire, and the 2 nd layer of flat wire conductor of the stator slot, the 7 th layer of flat wire conductor of the stator slot, the 14 th layer of flat wire conductor of the stator slot, the 19 th layer of flat wire conductor of the stator slot, the 26 th layer of flat wire conductor of the stator slot, the 31 st layer of flat wire conductor of the stator slot, the 38 th layer of flat wire conductor of the stator slot and the 43 rd layer of flat wire conductor of the stator slot are connected in sequence;
the d-layer flat wire conductor of the 43 th stator slot is connected with the third group of flat wire conductors, specifically, the d-layer flat wire conductor of the 43 th stator slot is connected with the e-layer flat wire conductor of the 2 nd stator slot through a winding connecting wire, and the e-layer flat wire conductor of the 2 nd stator slot, the f-layer flat wire conductor of the 7 th stator slot, the e-layer flat wire conductor of the 14 th stator slot, the f-layer flat wire conductor of the 19 th stator slot, the e-layer flat wire conductor of the 26 th stator slot, the f-layer flat wire conductor of the 31 th stator slot, the e-layer flat wire conductor of the 38 th stator slot and the f-layer flat wire conductor of the 43 th stator slot are connected in sequence;
the f-layer flat wire conductor of the 43 th stator slot is connected with the fourth group of flat wire conductors, the f-layer flat wire conductor of the 43 th stator slot is connected with the g-layer flat wire conductor of the 2 nd stator slot through a winding connecting wire, and the g-layer flat wire conductor of the 2 nd stator slot, the h-layer flat wire conductor of the 7 th stator slot, the g-layer flat wire conductor of the 14 th stator slot, the h-layer flat wire conductor of the 19 th stator slot, the g-layer flat wire conductor of the 26 th stator slot, the h-layer flat wire conductor of the 31 th stator slot, the g-layer flat wire conductor of the 38 th stator slot and the h-layer flat wire conductor of the 43 th stator slot are sequentially connected, and the h-layer flat wire conductor of the 43 th stator slot is connected with an output end U1-of a U1 branch.
The connection and wiring modes of the rest branches of the U phase, the four branches of the V phase and the four branches of the W phase and the branch U1 of the U phase are logically the same, and are not described again.
The utility model provides a novel stator of short-distance winding, when actually carrying out the short-distance winding and connecting, take branch U1 of U phase winding as an example, 2 nd a layer flat conductor of stator slot is connected with the input U1+ of U1 branch, 2 nd a layer flat conductor of stator slot, 7 th b layer flat conductor of stator slot, 14 th a layer flat conductor of stator slot, 19 th b layer flat conductor of stator slot, 26 th a layer flat conductor of stator slot, 31 th b layer flat conductor of stator slot, 38 th a layer flat conductor of stator slot, 43 th b layer flat conductor of stator slot connect gradually;
the 43 th layer of flat wire conductor of the stator slot is connected with the second group of flat wire conductors through a winding connecting wire, specifically, the 43 th layer of flat wire conductor of the stator slot is connected with the 2 nd layer of flat wire conductor of the stator slot through a winding connecting wire, and the 2 nd layer of flat wire conductor of the stator slot, the 7 th layer of flat wire conductor of the stator slot, the 14 th layer of flat wire conductor of the stator slot, the 19 th layer of flat wire conductor of the stator slot, the 26 th layer of flat wire conductor of the stator slot, the 31 st layer of flat wire conductor of the stator slot, the 38 th layer of flat wire conductor of the stator slot and the 43 rd layer of flat wire conductor of the stator slot are connected in sequence;
the d-layer flat wire conductor of the 43 th stator slot is connected with the third group of flat wire conductors, specifically, the d-layer flat wire conductor of the 43 th stator slot is connected with the e-layer flat wire conductor of the 2 nd stator slot through a winding connecting wire, and the e-layer flat wire conductor of the 2 nd stator slot, the f-layer flat wire conductor of the 7 th stator slot, the e-layer flat wire conductor of the 14 th stator slot, the f-layer flat wire conductor of the 19 th stator slot, the e-layer flat wire conductor of the 26 th stator slot, the f-layer flat wire conductor of the 31 th stator slot, the e-layer flat wire conductor of the 38 th stator slot and the f-layer flat wire conductor of the 43 th stator slot are connected in sequence;
the f-layer flat wire conductor of the 43 th stator slot is connected with the fourth group of flat wire conductors, the f-layer flat wire conductor of the 43 th stator slot is connected with the g-layer flat wire conductor of the 2 nd stator slot through a winding connecting wire, and the g-layer flat wire conductor of the 2 nd stator slot, the h-layer flat wire conductor of the 7 th stator slot, the g-layer flat wire conductor of the 14 th stator slot, the h-layer flat wire conductor of the 19 th stator slot, the g-layer flat wire conductor of the 26 th stator slot, the h-layer flat wire conductor of the 31 th stator slot, the g-layer flat wire conductor of the 38 th stator slot and the h-layer flat wire conductor of the 43 th stator slot are sequentially connected, and the h-layer flat wire conductor of the 43 th stator slot is connected with an output end U1-of a U1 branch.
The connection and wiring modes of the rest branches of the U phase, the four branches of the V phase and the four branches of the W phase and the branch U1 of the U phase are logically the same, and are not described again.
Compared with the prior art, the utility model provides a pair of novel stator of short distance winding is through offering 48 stator slots on 8 utmost point stators, every looks winding of three-phase winding includes four parallelly connected branch roads, every branch road includes that the flat line conductor in the stator slot is located on a plurality of layers, the flat line conductor in different stator slots passes through winding connecting wire interval connection, four the way of every looks is parallelly connected and the wiring can form the short distance type, four the way is equallyd divide equally and distribute and current balance in every looks, the circulation between the branch road has been avoided, still effectively reduce the harmonic when motor operation.
The utility model also provides a novel short distance winding's motor, including the stator and with the rotor that the stator corresponds, the rotor is 8 utmost point rotors, the stator adopts as above arbitrary any a novel short distance winding's stator.
Compared with the prior art, the utility model provides a pair of novel short distance winding's stator and novel motor through set up 48 stator slots on 8 utmost point stators, every looks winding of three-phase winding includes four parallelly connected branch roads, every branch road includes that the flat line conductor in the stator slot is located on a plurality of layers, the flat line conductor in different stator slots passes through winding connecting wire interval connection, four ways of every looks are parallelly connected and the wiring can form the short distance type, four ways of every looks are equallyd divide and are distributed and current balance, the circulation between the branch road has been avoided, still effectively reduce the harmonic when motor operation.
Although terms such as stator body, stator slots and flat wire conductors are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. A novel stator of short-distance winding is characterized in that: the stator comprises an 8-pole stator body (10) and three-phase windings, wherein 48 stator slots (11) are formed in the stator body (10), each phase of winding comprises four parallel branches, and each branch comprises a plurality of layers of flat wire conductors (12) arranged in the stator slots (11) and a plurality of winding connecting wires; the flat wire conductors (12) of different stator slots (11) are connected at intervals through the winding connecting wire;
each phase winding corresponds to three adjacent stator slots (11) under each pole; the three adjacent stator slots (11) comprise a middle stator slot, a first stator slot relatively positioned on the left side of the middle stator slot and a second stator slot relatively positioned on the right side of the middle stator slot; and 8 winding connecting wires of one phase in the middle stator slot are arranged, and 4 winding connecting wires of the first stator slot and the second stator slot are arranged.
2. The stator of the new short pitch winding as claimed in claim 1, wherein: the flat wire conductor (12) is a flat copper wire, and the winding connecting wire is a flat copper wire or a welding connecting wire.
3. The stator of the new short pitch winding as claimed in claim 1, wherein: a, b, c, d, e, f, g and h layers of flat wire conductors (12) which are sequentially far away from the circle center of the stator body (10) along the radial direction are arranged in each stator slot (11);
the odd layer flat wire conductor far away from the center of the stator body is connected with the even layer flat wire conductor far away from the center of the stator body at intervals of 5 stator slots; the odd-number layer flat wire conductors far away from the center of the stator body are connected with the odd-number layer flat wire conductors far away from the center of the stator body at intervals of 7 stator slots, wherein the layers a, c, e and g are odd-number layer flat wire conductors, and the layers b, d, f and h are even-number layer flat wire conductors;
two adjacent layers of the flat wire conductors (12) which are away from the circle center of the stator body (10) in sequence are a group, and each group of the flat wire conductors (12) are sequentially connected through winding connecting wires.
4. A novel stator of short-pitch winding according to claim 3, wherein: each branch comprises four groups of flat wire conductors (12) connected through a winding connecting wire, the initial end of the first group of flat wire conductors is connected with the input end of each branch, and the tail end of the fourth group of flat wire conductors is connected with the output end of each branch; the first group of flat wire conductors comprises a layer of flat wire conductors a and a layer of flat wire conductors b, and the fourth group of flat wire conductors comprises a layer of flat wire conductors g and a layer of flat wire conductors h.
5. The stator of the new short pitch winding as claimed in claim 4, wherein: the first group of flat wire conductors comprise a layer a flat wire conductor of the 2 nd stator slot, a layer b flat wire conductor of the 7 th stator slot, a layer a flat wire conductor of the 14 th stator slot, a layer b flat wire conductor of the 19 th stator slot, a layer a flat wire conductor of the 26 th stator slot, a layer b flat wire conductor of the 31 st stator slot, a layer a flat wire conductor of the 38 th stator slot and a layer b flat wire conductor of the 43 th stator slot which are connected in sequence through a winding connecting wire;
the layer a flat wire conductor of the 2 nd stator slot is connected with the input end of one branch circuit, and the layer b flat wire conductor of the 43 th stator slot is connected with the second group of flat wire conductors through a winding connecting wire.
6. The stator of the new short pitch winding as claimed in claim 5, wherein: the second group of flat wire conductors sequentially pass through a c-layer flat wire conductor of a 2 nd stator slot, a d-layer flat wire conductor of a 7 th stator slot, a 14 th c-layer flat wire conductor of the stator slot, a 19 th stator slot, a 26 th stator slot, a 31 st stator slot, a 38 th stator slot and a 43 th stator slot which are connected by a winding connecting wire;
the c-layer flat wire conductor of the 2 nd stator slot is connected with the b-layer flat wire conductor of the 43 th stator slot through a winding connecting wire, and the d-layer flat wire conductor of the 43 th stator slot is connected with the third group of flat wire conductors.
7. The stator of the new short pitch winding as claimed in claim 6, wherein: the third group of flat wire conductors sequentially pass through an e-layer flat wire conductor of a 2 nd stator slot, an f-layer flat wire conductor of a 7 th stator slot, an e-layer flat wire conductor of a 14 th stator slot, an f-layer flat wire conductor of a 19 th stator slot, an e-layer flat wire conductor of a 26 th stator slot, an f-layer flat wire conductor of a 31 th stator slot, an e-layer flat wire conductor of a 38 th stator slot and an f-layer flat wire conductor of a 43 th stator slot which are connected through a winding connecting wire;
and the e-layer flat wire conductor of the 2 nd stator slot is connected with the d-layer flat wire conductor of the 43 th stator slot through a winding connecting wire, and the f-layer flat wire conductor of the 43 th stator slot is connected with the fourth group of flat wire conductors.
8. The stator of the new short pitch winding as claimed in claim 7, wherein: the fourth group of flat wire conductors sequentially pass through a g-layer flat wire conductor of the 2 nd stator slot, a h-layer flat wire conductor of the 7 th stator slot, a 14 th g-layer flat wire conductor of the stator slot, a 19 th flat wire conductor of the stator slot, a 26 th g-layer flat wire conductor of the stator slot, a 31 th h-layer flat wire conductor of the stator slot, a 38 th g-layer flat wire conductor of the stator slot and a 43 th h-layer flat wire conductor of the stator slot which are connected through a winding connecting wire;
the g-layer flat wire conductor of the 2 nd stator slot is connected with the f-layer flat wire conductor of the 43 th stator slot through a winding connecting wire, and the h-layer flat wire conductor of the 43 th stator slot is connected with the output end of one branch.
9. A novel short-distance winding motor is characterized in that: the novel short-pitch winding stator comprises a stator and a rotor corresponding to the stator, wherein the rotor is an 8-pole rotor, and the stator adopts the novel short-pitch winding stator as claimed in any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120188226.4U CN215300308U (en) | 2021-01-22 | 2021-01-22 | Novel stator and motor of short-distance winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120188226.4U CN215300308U (en) | 2021-01-22 | 2021-01-22 | Novel stator and motor of short-distance winding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215300308U true CN215300308U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120188226.4U Active CN215300308U (en) | 2021-01-22 | 2021-01-22 | Novel stator and motor of short-distance winding |
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| Country | Link |
|---|---|
| CN (1) | CN215300308U (en) |
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2021
- 2021-01-22 CN CN202120188226.4U patent/CN215300308U/en active Active
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