CN219227297U - Sectional winding type concentrated winding stator integrated insulating rubber sleeve - Google Patents

Abstract

The utility model relates to the technical field of motors, in particular to an integral insulating rubber sleeve of a segmented wound concentrated winding stator, which comprises an outer ring shell and a plurality of insulating rubber sleeve units, wherein the insulating rubber sleeve units are connected through the outer ring shell to form an integral insulating rubber sleeve; the stator core can be fully wrapped, and hidden danger of insufficient insulation strength is eliminated; on the other hand, the outer ring shell is internally provided with an inner and outer line groove plate and an intermediate line groove separation plate to form two or more independent line winding grooves, so that the coils wound each time are guaranteed to be in the corresponding line grooves, the circumferences of the coils wound each time are equal, the resistance is the same, the problem of unbalanced stator resistance is solved, meanwhile, after the coils wound in many times are divided into a few coil winding modes, the power requirement on a winding machine is not high, the winding machine is not needed to be spliced and formed, the manufacturing difficulty and the equipment cost are reduced, and the risk of the stator to the ground is greatly reduced.

Description

Sectional winding type concentrated winding stator integrated insulating rubber sleeve

Technical Field

The utility model relates to the technical field of motors, in particular to an integral insulating rubber sleeve of a segmented winding type concentrated winding stator.

Background

The insulating rubber sleeve used for the original sectional winding type concentrated winding stator is of a single-tooth block structure, high technological requirements are provided for stator splicing and forming, gaps between adjacent insulating rubber sleeves during splicing and forming are required to be strictly controlled within reasonable tolerances, the gaps are too small, technological installation is easy to interfere and squeeze deformation, and the production efficiency is affected due to difficult splicing between iron core punching blocks; too large a gap can cause insufficient creepage distance, influence insulating strength, and particularly when the outer lacquer skin of the coil enameled wire is damaged in the splicing process, the risk to the ground is easy to generate.

Disclosure of Invention

The utility model aims to overcome the defects and shortcomings of the prior art and provides an integral insulating rubber sleeve for a segmented winding type concentrated winding stator.

The utility model relates to an integral insulating rubber sleeve of a segmented wound concentrated winding stator, which comprises an outer ring shell and a plurality of insulating rubber sleeve units, wherein the insulating rubber sleeve units are connected through the outer ring shell to form an integral insulating rubber sleeve; the insulating rubber sleeve unit comprises a square cylinder sleeve, an inner arc plate and an outer arc plate are respectively arranged at the inner end and the outer end of the top surface of the square cylinder sleeve, and a wire slot cavity is formed between the inner arc plate and the outer arc plate.

Further, at least one wire groove division plate is arranged in the wire groove cavity, at least two wire winding grooves are formed in the wire groove bin, and the wire groove I and the wire groove II are respectively arranged in the two wire winding grooves. The coil wound each time is guaranteed to be in the corresponding wire slot, the circumferences of the coils wound each time are equal, the resistances are the same, the problem of unbalanced stator resistance is solved, meanwhile, after the coils with a large number of windings are divided into a few times of coil winding modes, the power requirement on a winding machine is not so high, splicing and forming are not needed, the manufacturing difficulty and the equipment cost are reduced, and the risk of the stator to the ground is greatly reduced.

Further, the first slot coil and the second slot coil are respectively wound with the first slot coil and the second slot coil.

Further, the shape of the integrated insulating rubber sleeve is round.

After the structure is adopted, the utility model has the beneficial effects that: the utility model relates to an integral insulating rubber sleeve of a segmented wound concentrated winding stator, which is an integral insulating rubber sleeve formed by an outer ring shell and a plurality of insulating rubber sleeve units, wherein a plurality of grooves are formed in the integral insulating rubber sleeve, and a stator iron core is arranged in the grooves, so that the stator iron core can be fully wrapped, and hidden danger of insufficient insulating strength is eliminated; on the other hand, the outer ring shell is internally provided with an inner and outer line slot plate and a middle line slot separation plate to form two or more independent line slots, so that the coils wound each time are guaranteed to be in the corresponding line slots, the circumferences of the coils wound each time are equal, the resistance is the same, the problem of unbalanced stator resistance is solved, meanwhile, after the coils wound in many numbers are divided into a few times of coil winding modes, the power requirement on a winding machine is not so high, the split joint forming is not needed, the manufacturing difficulty and the equipment cost are reduced, and the risk of stator grounding is greatly reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate and together with the description serve to explain the utility model, if necessary:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic plan view of the present utility model;

fig. 3 is a schematic diagram of a partially split stator coil winding structure of the present utility model.

Reference numerals illustrate:

an integrated insulating rubber sleeve-1;

an insulating rubber sleeve unit-11;

an outer ring housing-12; an inner arc plate-111; an outer arc plate-112; a slot divider plate-113; square sleeve-114; wire slot cavity-115; wire chase one-1151; wire chase two-1152;

a first slot coil-13;

and a second slot coil-14.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1-2, the sectional wound concentrated winding stator integrated insulation rubber sleeve in this embodiment includes an outer ring shell 12 and a plurality of insulation rubber sleeve units 11, where the plurality of insulation rubber sleeve units 11 are connected through the outer ring shell 12 to form an integrated insulation rubber sleeve 1; the insulating rubber sleeve unit 11 comprises a square cylinder sleeve 114, an inner arc plate 111 and an outer arc plate 112 are respectively arranged at the inner end and the outer end of the top surface of the square cylinder sleeve 114, and a wire slot cavity 115 is formed between the inner arc plate 111 and the outer arc plate 112.

Further, at least one slot separator 113 is disposed in the slot cavity 115, and at least two winding slots of the slot bin 112 are respectively a first slot 1151 and a second slot 1152.

Further, the first slot coil 13 and the second slot coil 14 are respectively wound around the first slot coil 1151 and the second slot coil 1152.

Further, the integral insulating rubber sleeve 1 is circular in shape.

The working principle of the utility model is as follows:

as shown in fig. 1, in the present design, a plurality of insulating rubber sleeve units 11 are disposed on the inner wall of an outer ring housing 12 to form an integral insulating rubber sleeve 1. A groove formed in the inner cavity of the square cylinder sleeve 114 in the integrated insulating rubber sleeve 1 is matched with the stator core; when in use, a plurality of insulating rubber sleeve units 11 in the integrated insulating rubber sleeve 1 are respectively wrapped on the stator core.

As shown in fig. 1-2, the insulating rubber sleeve unit 11 in the present design includes a square sleeve 114, an inner arc plate 111 and an outer arc plate 112 are respectively disposed at the inner and outer ends of the top surface of the square sleeve 114, a slot cavity 115 is formed between the inner arc plate 111 and the outer arc plate 112, at least one slot partition plate 113 is disposed in the slot cavity 115, at least two winding slots are disposed in the slot bin 112, and a first slot 1151 and a second slot 1152 are respectively disposed in the two winding slots.

As shown in fig. 3, a first slot coil 13 and a second slot coil 14 are respectively wound around a first slot coil 1151 and a second slot coil 1152 in the present design. In the design, at least one wire slot division plate 113 is arranged in a wire slot cavity 115 of the insulating rubber sleeve unit 111, and at least two wire winding slots of the wire slot bin 112 are formed. If more winding slots need to be separated, a plurality of slot splitter plates 113 may be provided, so that the purpose of a plurality of winding slots can be achieved.

Then each winding slot is used for winding the motor stator with a plurality of parallel windings for a plurality of times, and the coils wound each time are in the corresponding slots, so that the circumference of the coils wound each time is equal, the resistances are the same, and the problem of unbalanced stator resistance is solved. Meanwhile, after the coils with a large number of parallel windings are divided into a few coil winding modes, the power requirement on a winding machine is not so high, splicing and forming are not needed, the manufacturing difficulty and the equipment cost are reduced, and the risk of grounding the stator is greatly reduced.

On the other hand, a plurality of grooves matched with the stator core are formed in the integrated insulating rubber sleeve 1, and the stator core is arranged in the grooves, so that the stator core can be wrapped in an all-around manner, hidden danger of insufficient insulating strength is eliminated, meanwhile, splicing and forming are not needed, the difficulty of a manufacturing process is reduced, and the risk of grounding of the stator is greatly reduced.

The beneficial effects of the utility model are as follows:

(1) The mode of winding a plurality of times by a plurality of times can be realized.

(2) The coils are wound in the corresponding wire slots for multiple times, the total lengths of the coils are equal, and the electric resistances are the same, so that the running performance of the motor is ensured.

(3) The power requirement on the winding machine is low, and the demand cost and the manufacturing difficulty of production equipment are reduced.

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

(5) The roundness of the motor is improved, the air gap field is improved, the electromagnetic noise of the motor is reduced, the insulation performance of the motor is improved, and the design of the motor is optimized.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (4)

1. The utility model provides a segmentation wire winding formula concentrated winding stator integral type insulating gum cover which characterized in that: the insulation rubber sleeve comprises an outer ring shell and a plurality of insulation rubber sleeve units, wherein the insulation rubber sleeve units are connected through the outer ring shell to form an integrated insulation rubber sleeve; the insulating rubber sleeve unit comprises a square cylinder sleeve, an inner arc plate and an outer arc plate are respectively arranged at the inner end and the outer end of the top surface of the square cylinder sleeve, and a wire slot cavity is formed between the inner arc plate and the outer arc plate.

2. The segmented wound concentrated winding stator integral insulation sleeve of claim 1, wherein: at least one wire groove division plate is arranged in the wire groove cavity, at least two wire winding grooves are formed in the wire groove bin, and the wire groove I and the wire groove II are respectively arranged in the two wire winding grooves.

3. The segmented wound concentrated winding stator integral insulation sleeve of claim 2, wherein: the first slot coil and the second slot coil are respectively wound on the first slot coil and the second slot coil.

4. The segmented wound concentrated winding stator integral insulation sleeve of claim 1, wherein: the shape of the integrated insulating rubber sleeve is round.

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