CN218829316U

CN218829316U - Stator insulating rubber sleeve of sectional winding type concentrated winding

Info

Publication number: CN218829316U
Application number: CN202223035301.7U
Authority: CN
Inventors: 吴旺波; 罗英; 李红文; 阳可诗; 何超飞
Original assignee: Zhongshan Midis Power Technology Co ltd
Current assignee: Zhongshan Midis Power Technology Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-04-07
Anticipated expiration: 2032-11-15

Abstract

The utility model relates to the technical field of motors, in particular to a sectional winding type concentrated winding stator insulation rubber sleeve, which comprises a stator insulation rubber sleeve body, wherein the stator insulation rubber sleeve body comprises a middle sleeve body, and the bottom and the top of the middle sleeve body are respectively provided with an inner plate body and an outer plate body; the inner plate body and the outer plate body protrude out of the plate body part of the inner end face of the middle sleeve body to form a groove bin; the middle part of the inner end surface of the middle sleeve body facing the center of the stator is at least provided with a partition plate; the groove bin is divided into two winding grooves by a partition plate; the motor stator winding device has the advantages that at least two winding grooves are formed in the insulating rubber sleeve, winding is performed for multiple times through the motor stator with multiple winding numbers, the coils wound for each time are in the corresponding wire grooves, the fact that the circumferences of the coils wound for each time are equal is guaranteed, the resistance is the same, the problem of unbalance of stator resistance is solved, on the other hand, after the coils with the multiple winding numbers are divided into a few coil winding modes, the power requirement on a winding machine is not high, and meanwhile the manufacturing difficulty is reduced.

Description

Sectional winding type concentrated winding stator insulation rubber sleeve

Technical Field

The utility model relates to the technical field of electric machines, concretely relates to winding stator insulating gum cover is concentrated to segmentation wire-wound type.

Background

The traditional primary concentrated winding stator uses a single-wire slot design for an insulating rubber sleeve, and has great limitation on the number of parallel winding and the wire diameter of a stator coil. In the field of three-phase alternating current motors used by low-voltage low-speed vehicles, the number of turns in a motor stator winding scheme is small, and the number of wound turns is large.

If the insulating rubber sleeve designed by the conventional single-wire slot is adopted, all enameled wires wound in parallel are required to be wound together to the end, the requirement on the power of the winding machine in the current industry is high, the power of the common winding machine is low, the enameled wires cannot be wound at all, and meanwhile, the notches of the stator core need to be designed into large-size notches, so that the performance of the motor is adversely affected.

Meanwhile, the motor stators with a large number of parallel windings are wound for several times, and then the wire ends are combined together, so that the problem of high motor power of the winding machine is solved, but because the wire arrangement sequence of the single-slot wire frame is from inside to outside, the total circumference length of the coil wound firstly is smaller than that of the coil wound later, and because the coil wound later is wound on the outer layer of the coil wound in front, the resistance of the coil wound in each time is different, so that the resistance of the stator coil is unbalanced, the running performance of the motor is influenced, and even the motor is burnt out.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a winding stator insulating gum cover is concentrated to segmentation wound-rotor type.

The utility model relates to a sectional winding type concentrated winding stator insulation rubber sleeve, which comprises a stator insulation rubber sleeve body, wherein the stator insulation rubber sleeve body comprises a middle sleeve body, and the bottom and the top of the middle sleeve body are respectively provided with an inner plate body and an outer plate body; the inner plate body and the outer plate body protrude out of the plate body part of the inner end face of the middle sleeve body to form a groove bin;

the middle part of the inner end surface of the middle sleeve body facing to the center of the stator is at least provided with a partition plate; the groove bin is divided into two winding grooves by a partition plate; the two winding slots are respectively a first winding slot and a second winding slot.

Furthermore, a first groove and a second groove are correspondingly arranged on two sides of the outer plate body.

Furthermore, a third groove and a fourth groove are respectively arranged on the upper two sides of the partition plate.

After the structure is adopted, the utility model discloses beneficial effect does: a winding stator insulating gum cover is concentrated to segmentation wire winding formula, it adopts to be provided with two at least wire winding grooves in the insulating gum cover, through to the many motor stator of duplex winding radical, divide the wire winding many times, the coil of winding at every turn is at the wire inslot that corresponds, the coil girth of having guaranteed to wind at every turn equals, resistance is the same, solve the unbalanced problem of stator resistance, after the many coil of on the other hand duplex winding radical falls into a few coil wire winding modes several times, the power requirement is not so high to the wire winding machine, the manufacturing degree of difficulty has been reduced simultaneously.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the split stator coil winding structure of the present invention;

fig. 3 is a schematic structural view of the present invention mounted on a stator;

fig. 4 is an enlarged view of a portion a of fig. 3.

Description of the reference numerals:

a stator insulation rubber sleeve body-1; an inner plate body-11; a middle sleeve body-12; an outer plate body-13; a first groove-131; a second groove-132; a separator-14; a third groove-141; a fourth groove-142; a first winding slot-15; and a second winding groove-16;

a stator-2;

a first slot coil-3;

a second slot coil-4.

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 of the present invention, all other embodiments obtained by a person skilled in the art without making 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", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of 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.

As shown in fig. 1, the sectional winding type concentrated winding stator insulation rubber sleeve according to the present embodiment includes a stator insulation rubber sleeve body 1, the stator insulation rubber sleeve body 1 includes a middle sleeve body 12, and an inner plate body 11 and an outer plate body 13 are respectively disposed on the bottom and the top of the middle sleeve body 12; the inner plate body 11 and the outer plate body 13 protrude out of the plate body part of the inner end face of the middle sleeve body 12 to form a groove bin;

the middle part of the inner end surface of the middle sleeve body 12 facing the center of the stator 2 is at least provided with a partition plate 14; the groove bin is divided into two winding grooves by a partition plate 14; the two winding slots are a first winding slot 15 and a second winding slot 16, respectively.

Further, a first groove 131 and a second groove 132 are correspondingly disposed on two sides of the outer plate 13.

Further, a third groove 141 and a fourth groove 142 are respectively disposed on the upper two sides of the partition 14.

The working principle of the utility model is as follows:

in this design, as shown in fig. 3, a plurality of stator insulating rubber sleeve bodies 1 are arranged around a stator 2.

The stator insulation rubber sleeve body 1 comprises a middle sleeve body 12, wherein an inner plate body 11 and an outer plate body 13 are respectively arranged at the bottom and the top of the middle sleeve body 12; the inner plate body 11 and the outer plate body 13 protrude out of the plate body part of the inner end face of the middle sleeve body 12 to form a groove bin.

In the design, the middle part of the inner end surface of the middle sleeve body 12 facing the center of the stator 2 is provided with at least one partition plate 14. As shown in fig. 1 and 2, a partition plate 14 is arranged on the inner end surface of the middle sleeve body 12, so that the groove bin can be divided into two winding grooves; the two winding slots are a first winding slot 15 and a second winding slot 16, respectively.

Of course, if two partitions 14 are provided, three winding slots may be partitioned. By analogy, different quantities of partition plates can be arranged according to needs, so that different quantities of winding grooves can be separated, and the winding operation is facilitated.

Therefore, unlike the conventional insulating rubber sleeve, the insulating rubber sleeve comprises: the insulating rubber sleeve of this design contains 2 or 2 and above wire winding grooves, through to the many motor stator of duplex winding radical, divides the winding many times, and the coil of winding at every turn has guaranteed that the coil girth of winding at every turn equals in the wire casing that corresponds, and resistance is the same, solves the unbalanced problem of stator resistance, and on the other hand after the many coil of duplex winding radical divides into a few coil winding modes several times, not so high to wire winding machine power requirement, has reduced the manufacturing degree of difficulty simultaneously.

In the present design, as shown in fig. 1-2, a first groove 131 and a second groove 132 are correspondingly disposed on two sides of the outer plate 13; the partition 14 is provided at upper both sides thereof with a third groove 141 and a fourth groove 142, respectively. The first slot coil 3 wound in the first winding slot 15 and the second slot coil 4 wound in the second winding slot 16 are convenient to be led in and out, and the grooves are equivalent to wire clip slots and are convenient for copper wires to enter and exit during winding.

The beneficial effects of the design are stated as follows:

(1) The mode of winding a plurality of times around the winding number can be realized;

(2) The coils are wound in the corresponding wire slots for multiple times, the total length of each coil is equal, the resistance is the same, and the running performance of the motor is ensured;

(3) The requirement on the power of a winding machine is not high, and the required cost and the manufacturing difficulty of production equipment are reduced;

(4) The stator winding is a concentrated winding, so that the amount of copper used at the end part of the stator can be reduced, and the manufacturing cost is reduced.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; 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 technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a winding stator insulating rubber cover is concentrated to segmentation wound-rotor type which characterized in that: the stator insulation rubber sleeve comprises a stator insulation rubber sleeve body, wherein the stator insulation rubber sleeve body comprises a middle sleeve body, and an inner plate body and an outer plate body are respectively arranged on the bottom and the top of the middle sleeve body; the inner plate body and the outer plate body protrude out of the plate body part of the inner end face of the middle sleeve body to form a groove bin; the middle part of the inner end surface of the middle sleeve body facing the center of the stator is at least provided with a partition plate; the groove bin is divided into two winding grooves by a partition plate; the two winding slots are respectively a first winding slot and a second winding slot.

2. The sectional winding type concentrated winding stator insulation rubber sleeve according to claim 1, characterized in that: the outer plate body is provided with a first groove and a second groove on two sides correspondingly.

3. The sectional winding type concentrated winding stator insulation rubber sleeve according to claim 1, characterized in that: and a third groove and a fourth groove are respectively arranged on the upper two sides of the partition plate.