CN214900407U

CN214900407U - Double-layer motor winding

Info

Publication number: CN214900407U
Application number: CN202120795473.0U
Authority: CN
Inventors: 游子勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-11-26
Anticipated expiration: 2031-04-19

Abstract

The utility model relates to a motor winding technical field specifically discloses a double-deck motor winding, including distributing a plurality of stator slots on motor casing, around having X looks coil, Y looks coil and Z looks coil in the stator slot, the number of poles that X looks coil, Y looks coil and Z looks coil formed equals and has the two poles of the earth at least, X looks coil, Y looks coil and Z looks coil stagger in proper order in the stator slot and arrange and the circulation is arranged, every the stator slot is interior all to have two-layer coil. The beneficial effects of the above technical scheme are: two layers of coils are arranged in each stator slot, so that the force of the motor can be increased, and the safe operation of the motor can be ensured. And can show the moment that promotes the motor, guarantee long-time operation.

Description

Double-layer motor winding

Technical Field

The utility model relates to a motor winding technical field, concretely relates to double-deck motor winding.

Background

The existing small motor has the characteristics of being powerful, small and easy to burn, if the load is light, the motor can be used in a short time, but along with the continuous aging of the machine, the load is heavier and heavier, and the motor is easy to burn. If the load is heavy, the burn-up time is much shorter.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a double-deck motor winding can enough increase during operation, and can increase the turning moment of motor.

The utility model provides a technical scheme be: a double-layer motor winding comprises a plurality of stator slots distributed on a motor shell, wherein an X-phase coil, a Y-phase coil and a Z-phase coil are wound in the stator slots, the number of poles formed by the X-phase coil, the Y-phase coil and the Z-phase coil is equal and at least two poles are arranged, the X-phase coil, the Y-phase coil and the Z-phase coil are sequentially arranged in the stator slots in a staggered mode and are arranged in a circulating mode, and each stator slot is internally provided with two layers of coils.

The beneficial effects of the above technical scheme are: two layers of coils are arranged in each stator slot, so that the force of the motor can be increased, and the safe operation of the motor can be ensured. And can show the moment that promotes the motor, guarantee long-time operation.

Further, each pole of the X-phase coil, the Y-phase coil, and the Z-phase coil includes a plurality of the same number of concentric windings. The concentric winding of the innermost circle can generate larger torque when being electrified, so that the power of the motor is improved.

Further, the number of slots in which the X-phase coil, the Y-phase coil, and the Z-phase coil are staggered from each other is equal to the number of concentric windings. Thereby ensuring that only two layers of coils are arranged in each stator slot.

Further, the number of concentric windings per phase per pole is equal to the total number of stator slots divided by the number of poles divided by the number of phases.

Further, the number of poles of the X-phase coil, the Y-phase coil, and the Z-phase coil is 2 or 4.

Further, the number of the stator slots is 24 or 36.

Further, the number of stator slots spanned by the concentric windings of the innermost coil of the X-phase coil, the Y-phase coil and the Z-phase coil is equal to the number of the concentric windings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is an expanded view of a stator coil winding of a 36-slot 4-pole three-phase motor according to an embodiment of the present invention;

fig. 2 is an expanded view of a stator coil winding of a 24-slot 2-pole three-phase motor according to an embodiment of the present invention.

Reference numerals: x-phase coil 100, Y-phase coil 200, and Z-phase coil 300.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1-2, the present embodiment provides a double-layer motor winding, the applied motor is a three-phase motor, and includes a plurality of stator slots distributed on a motor housing, the stator slots are wound with an X-phase coil 100, a Y-phase coil 200, and a Z-phase coil 300, the number of poles formed by the X-phase coil 100, the Y-phase coil 200, and the Z-phase coil 300 is equal and at least two poles, the X-phase coil 100, the Y-phase coil 200, and the Z-phase coil 300 are sequentially arranged in a staggered manner and circularly arranged in the stator slots, and each of the stator slots has two layers of coils. In order to ensure that two layers of coils can be laid in the stator slots, the depth of the stator slots is set to be larger than the thickness of the two layers of coils.

Two layers of coils are arranged in each stator slot, so that the force of the motor can be increased, and the safe operation of the motor can be ensured. And can show the moment that promotes the motor, guarantee long-time operation.

Each pole of the X-phase coil 100, the Y-phase coil 200, and the Z-phase coil 300 includes a plurality of the same number of concentric windings. The concentric winding of the innermost circle can generate larger torque when being electrified, so that the power of the motor is improved. The number of slots in which the X-phase coil 100, the Y-phase coil 200, and the Z-phase coil 300 are staggered from each other is equal to the number of concentric windings. Thereby ensuring that only two layers of coils are arranged in each stator slot.

The number of concentric windings per phase per pole of a three-phase motor is equal to the total number of stator slots divided by the number of poles divided by the number of phases.

The number of poles of the X-phase coil 100, the Y-phase coil 200, and the Z-phase coil 300 is 2 or 4. The number of stator slots is 24 or 36, see fig. 2. Referring to fig. 2, when the number of stator slots is 24, the number of poles is preferably 2; referring to fig. 1, when the number of stator slots is 36, the number of poles is preferably 4. The number of stator slots spanned by the innermost concentric windings of the X-phase coil 100, the Y-phase coil 200, and the Z-phase coil 300 is equal to the number of the concentric windings. The concentric winding of the innermost ring reaches the minimum, the maximum magnetic force can be generated, and the efficient operation of the motor is further ensured.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of description only and is not intended to be interpreted as indicating or implying any relative importance or implicit indication of the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral combinations thereof; may be an electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.

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 substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The double-layer motor winding is characterized by comprising a plurality of stator slots distributed on a motor shell, wherein an X-phase coil (100), a Y-phase coil (200) and a Z-phase coil (300) are wound in the stator slots, the number of poles formed by the X-phase coil (100), the Y-phase coil (200) and the Z-phase coil (300) is equal and at least has two poles, the X-phase coil (100), the Y-phase coil (200) and the Z-phase coil (300) are sequentially arranged in the stator slots in a staggered mode and arranged in a circulating mode, and each stator slot is internally provided with two layers of coils.

2. A double-layer motor winding according to claim 1, wherein each pole of the X-phase coil (100), the Y-phase coil (200), and the Z-phase coil (300) comprises a plurality of the same number of concentric windings.

3. A double-layer motor winding according to claim 2, wherein the number of slots in which the X-phase coil (100), the Y-phase coil (200), and the Z-phase coil (300) are staggered from each other is equal to the number of concentric windings.

4. A double-layer motor winding as claimed in claim 2 or 3, wherein the number of concentric windings per phase per pole is equal to the total number of stator slots divided by the number of poles divided by the number of phases.

5. A double-layer motor winding according to claim 1, wherein the number of poles of the X-phase coil (100), the Y-phase coil (200) and the Z-phase coil (300) is 2 or 4.

6. A double-layer motor winding according to claim 1, wherein the number of stator slots is 24 or 36.

7. A double-layer motor winding according to claim 3, wherein the innermost concentric windings of the X-phase coil (100), the Y-phase coil (200) and the Z-phase coil (300) span a number of stator slots equal to the number of the concentric windings.