Generator Z-type stator winding interphase wiring structure

By using phase-to-phase connecting copper rings and short lead structures on the generator stator windings, the problems of out-of-tolerance end wiring dimensions and insulation damage were solved, achieving higher quality stator winding connections.

CN223680852UActive Publication Date: 2025-12-16CSIC ELECTRICAL MACHINERY SCI & TECH
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Patent Information

Application Number
CN202423115021.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-12-16
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

When the existing generator Z-type stator windings are connected phase to phase, the end wiring dimensions are prone to exceeding tolerances and the shaping insulation is severely damaged, affecting the winding quality.

Method used

The long leads are replaced by interphase connecting copper rings. Short leads are brazed to the copper rings, and the design creates a periodically changing short lead structure that is connected to the mating wire, thus solving the problem of bulky and messy ends.

Benefits of technology

It improves the phase-to-phase wiring quality of the generator's Z-type stator winding, avoids end dimensional deviations and insulation damage, and enhances the shaping effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of generator winding wiring structures, particularly relates to an inter-phase wiring structure of a generator Z-type stator winding, and provides the following scheme aiming at the problems that the size of a flat cable at the end part is easy to be out of tolerance and shaping insulation is damaged during inter-phase wiring of the generator Z-type stator winding in the background technology: the inter-phase wiring structure of the generator Z-type stator winding comprises a stator, the outer wall of the periphery of the stator is fixedly connected with interphase connection copper rings which are distributed at equal intervals, and short leads are welded to the outer walls of the interphase connection copper rings. According to the utility model, the problems of easy out-of-tolerance of the end wire arrangement size and shaping insulation damage during inter-phase wiring of the Z-type stator winding of the existing generator are solved, the inter-phase wiring quality of the Z-type stator winding of the generator is improved, and the inter-phase wiring quality of the Z-type stator winding of the generator is effectively improved; the problem that the end is bloated and disordered due to too many end leads is solved through the connecting copper rings, and the problems that the winding displacement size of the end of the generator stator winding is prone to being out of tolerance and shaping insulation is damaged are effectively solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to generator winding structure technical field especially relates to a generator Z type stator winding phase -to -phase wiring structure. BACKGROUND

[0002] Stator winding refers to the winding installed on the stator, that is, the copper wire wound on the stator. The winding is composed of a plurality of coils or coil groups, which is collectively referred to as a phase or an entire electromagnetic circuit. According to the shape of the coil winding and the embedding wiring mode, the motor can be divided into two types: concentrated type and distributed type. The concentrated winding is simple in winding and embedding, but the efficiency is low and the operation performance is poor.

[0003] The original generator Z type stator winding phase -to -phase connection adopts the phase -to -phase connection lead of each coil of each phase to be led out to the winding end and be directly connected with each other, although the structure is simple, but since each lead wire needs to be insulated, after being gathered together, the winding end is bloated, the size is out of tolerance, the wire arrangement is disorderly, and the insulation damage is easily caused in the shaping process, thereby affecting the quality of the generator Z type stator winding. UTILITY MODEL CONTENTS

[0004] In view of the defects of the prior art, the utility model provides a generator Z type stator winding phase -to -phase wiring structure, which overcomes the defects of the prior art and effectively solves the problems of easy size out of tolerance of end wire arrangement and insulation damage in shaping during the phase -to -phase wiring of the generator Z type stator winding.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A generator Z type stator winding phase -to -phase wiring structure, comprising a stator, the periphery outer wall of the stator is fixedly connected with equidistantly distributed phase -to -phase connection copper rings, and short leads are welded on the outer wall of the phase -to -phase connection copper rings, the short leads and the phase -to -phase connection copper rings are welded through brazing, and the outer wall of one end of the short lead is fixedly connected with a butt joint.

[0007] Preferably, the lengths of the short leads on the phase -to -phase connection copper rings decrease in sequence clockwise, and the short leads change periodically.

[0008] Preferably, a machine shell is fixedly connected to one side of the phase -to -phase connection copper rings on the outer wall of the stator.

[0009] Preferably, a winding is arranged on the inner wall of the stator, and the butt joint is connected to the outer wall of the winding.

[0010] Preferably, a rotor is arranged in the inner part of the winding at the center of the inner wall of the stator.

[0011] The utility model has the advantages of:

[0012] 1. The generator Z-type stator winding inter-phase connection structure of the present application uses a copper ring to replace the original long body lead for inter-phase connection of each phase, and the inter-phase connection lead head of each coil of each phase only leads out a short lead, thus solving the problems of easy size over tolerance of end winding and insulation damage caused by shaping, and improving the quality of inter-phase connection of the generator Z-type stator winding.

[0013] 2. The generator Z-type stator winding inter-phase connection structure of the present application effectively improves the quality of inter-phase connection of the generator Z-type stator winding, and the inter-phase connection structure has certain universality, solves the problem of end bulkiness caused by too many end leads, and effectively solves the problems of easy size over tolerance of end winding and insulation damage caused by shaping. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 FIG. 1 is a front view of the copper ring for inter-phase connection of the generator Z-type stator winding of the present application;

[0015] Figure 2 FIG. 2 is a side view of the copper ring for inter-phase connection of the generator Z-type stator winding of the present application;

[0016] Figure 3 FIG. 3 is a schematic diagram of the winding connection of the generator Z-type stator winding of the present application.

[0017] In the drawings: 1, stator; 2, inter-phase connection copper ring; 3, short lead; 4, butt joint; 5, casing; 6, winding; 7, rotor. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments.

[0019] Embodiment one, with reference to Figures 1-3 A generator Z-type stator winding inter-phase connection structure, comprising a stator 1, and equal-distance distributed inter-phase connection copper rings 2 are fixedly connected to the peripheral outer wall of the stator 1, and short leads 3 are welded to the outer wall of the inter-phase connection copper rings 2.

[0020] In the present embodiment, the inter-phase connection copper rings 2 are used to replace the original long body leads for inter-phase connection of each phase, and the inter-phase connection lead head of each coil of each phase only leads out a short lead 3, thus solving the problems of easy size over tolerance of end winding and insulation damage caused by shaping, and improving the quality of inter-phase connection of the generator Z-type stator winding.

[0021] Embodiment Two, Refer to Figures 1-2 The short lead 3 is fixedly connected with the butt joint 4 on the outer wall of one end of the short lead 3.

[0022] In the embodiment, the quality of the Z-type stator winding inter-phase wiring of the generator is effectively improved, the inter-phase connection structure has certain universality, the too many end lead wires are solved by the connecting copper ring, the problem of the bulky and messy end part caused by the too many end lead wires is effectively solved, and the problems of the easy size over tolerance of the end part of the generator stator winding and the insulation damage of the shaping are effectively solved.

[0023] Refer to Figure 1 The length of the short lead 3 on the inter-phase connecting copper ring 2 is sequentially reduced in a clockwise direction, and the short lead 3 presents periodic changes.

[0024] Refer to Figure 1 The stator 1 is fixedly connected with the casing 5 on the outer wall of one side of the inter-phase connecting copper ring 2.

[0025] Refer to Figure 1 The stator 1 is fixedly connected with the casing 5 on the outer wall of one side of the inter-phase connecting copper ring 2.

[0026] Refer to Figure 1 The stator 1 is fixedly connected with the casing 5 on the outer wall of one side of the inter-phase connecting copper ring 2.

[0027] Working principle: the inter-phase connecting copper ring 2 is used to replace the original long lead body of each phase inter-phase connection, the inter-phase connecting lead head of each coil of each phase is only led out the short lead 3, the short lead 3 is connected to the corresponding inter-phase connecting copper ring 2, after being firmly welded, cleaned and insulated by brazing, the short lead 3 is fixed on the end part of the generator winding, the quality of the Z-type stator winding inter-phase wiring of the generator is effectively improved, and the problem of the bulky and messy end part caused by too many end lead wires is solved.

[0028] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model makes equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A phase-to-phase connection structure of a Z-type stator winding of a generator comprising a stator (1), characterized in that, The periphery outer wall of the stator (1) is fixedly connected with phase-to-phase connection copper rings (2) distributed at equal distances, and the outer wall of the phase-to-phase connection copper rings (2) is welded with short leads (3), the short leads (3) and the phase-to-phase connection copper rings (2) are welded by brazing, and one end of the short leads (3) is fixedly connected with butt lines (4).

2. The phase-to-phase connection structure of a Z-type stator winding of a generator according to claim 1, characterized in that, The lengths of the short leads (3) on the phase-to-phase connection copper rings (2) are sequentially reduced in a clockwise direction, and the short leads (3) present periodic changes.

3. The phase-to-phase connection structure of a Z-type stator winding of a generator according to claim 1, characterized in that, The outer wall of the stator (1) is fixedly connected with a machine shell (5) on one side of the phase-to-phase connection copper rings (2).

4. The phase-to-phase connection structure of a Z-type stator winding of a generator according to claim 1, wherein The inner wall of the stator (1) is provided with windings (6), and one end of the butt lines (4) is connected to the outer wall of the windings (6).

5. The phase-to-phase connection structure of a Z-type stator winding of a generator according to claim 1, wherein The inner wall of the stator (1) is provided with a rotor (7) at the center and inside the windings (6).