High-slot-fullness-rate winding structure

Through the separation structure of the inner and outer stator core and the outer winding winding design, the problems of winding trough fullness and motor size in the traditional winding structure are solved, and an efficient and low-noise winding structure design is realized, which improves the practicality and performance of the equipment.

CN223285642UActive Publication Date: 2025-08-29NINGBO TUOPU GROUP CO LTD
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Patent Information

Application Number
CN202422567573.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-08-29
Estimated Expiration
2034-10-23

AI Technical Summary

Technical Problem

The traditional high-trough full-rate winding structure is difficult to reduce the motor size while maintaining the motor power. Moreover, the nozzle limits the full-rate of the winding groove when the inner rotor is wound, resulting in too large gaps in the winding wire bags, affecting winding efficiency.

Method used

The inner and outer stator core is separated structure, and the inner winding is changed to outer winding. The inner rotor adopts an outer winding winding, and a separate stator skeleton is installed on the stator core to ensure the fixing and insulation of the enameled wire. The inner and outer stator core is connected by fastening pins to enhance the magnetic field strength and support structure.

Benefits of technology

The groove fullness of the winding structure is improved, the magnetic field strength is enhanced, the motor performance is optimized, noise and vibration is reduced, and the practicality and efficiency of the equipment is improved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223285642U_ABST
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Abstract

The utility model relates to the technical field of high-slot-fullness-rate winding structures, in particular to a high-slot-fullness-rate winding structure, which is divided into an inner stator core and an outer stator core, inner winding is changed into outer winding, namely an inner rotor adopts outer winding type winding, meanwhile, a separated stator framework is assembled on the stator core, and the outer stator core is assembled on the stator framework. The stator framework can ensure the fixing and insulating effects of enameled wires during winding, and the practicability of equipment is improved; comprising a plurality of enameled wires. The motor further comprises an inner winding framework, a plurality of fastening pins, an inner stator iron core, an outer stator iron core and an outer winding framework, the plurality of enameled wires are respectively wound on the inner winding framework, the plurality of fastening pins are respectively arranged on the inner stator iron core and the outer stator iron core, the inner stator iron core is arranged inside the inner winding framework, and the outer stator iron core is arranged on the outer winding framework.
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Description

Technical Field

[0001] The utility model relates to the technical field of high slot fill rate winding structures, in particular to a high slot fill rate winding structure. Background Art

[0002] With the increasingly high requirements for energy conservation and environmental protection, pumps as key power sources must also meet the standards of high efficiency and low energy consumption. A water pump is a machine that transports liquids or pressurizes liquids. It transfers the mechanical energy of the prime mover or other external energy to the liquid to increase the liquid energy. It is mainly used to transport liquids including water, oil, acid and alkali liquids, emulsions, suspensions and liquid metals.

[0003] For example, in a type of prior art represented by the high slot fill rate winding structure disclosed in the utility model patent with application number CN202022417646.3, its main structure includes a surrounding plate, a protective layer, a baffle, a slot, a shaft body, a winding mold body and a gasket, etc., and high slot fill rate winding is achieved through the coordination of structures such as the surrounding plate, the protective layer, the baffle, the slot, the shaft body, the winding mold body and the gasket.

[0004] The traditional high slot fill rate winding structure makes it difficult to reduce the size of the motor while maintaining the motor power. In addition, when winding the inner rotor, the presence of the winding nozzle will limit the winding slot fill rate. That is, a certain gap must be ensured between the winding coils so that the winding nozzle will not cause damage to the coils when passing through. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a structure that is divided into two parts: an inner stator core and an outer stator core. The inner winding is changed to an outer winding, that is, the inner rotor adopts an outer winding type. At the same time, a separate stator frame is assembled on the stator core. The stator frame can ensure the fixation and insulation of the enameled wire during winding, thereby improving the practicality of the equipment and providing a high slot fill rate winding structure.

[0006] The utility model discloses a high slot fill rate winding structure, comprising a plurality of enameled wires; an inner winding frame, a plurality of fastening pins, an inner stator core, an outer stator core and an outer winding frame, wherein the plurality of enameled wires are respectively wound on the inner winding frame, the plurality of fastening pins are respectively installed on the inner stator core and the outer stator core, the inner stator core is installed inside the inner winding frame, and the outer stator core is installed on the outer winding frame;

[0007] The inner winding frame is pressed into the inner stator core, and the outer winding frame is pressed into the outer stator core. The inner stator core and the outer stator core are then press-fitted and connected together by pressing in a plurality of fastening pins. The structure is divided into two parts: the inner stator core and the outer stator core. The inner winding is changed to the outer winding, that is, the inner rotor adopts the outer winding method. At the same time, a separate stator frame is assembled on the stator core. The stator frame can ensure the fixation and insulation of the enameled wire during winding, thereby improving the practicality of the equipment.

[0008] Also included are a plurality of enameled wires, each of which is an electric wire consisting of a metal wire and an insulating enameled layer;

[0009] It also includes an inner winding frame, which is pressed into the inner stator core, and has an annular step on the inner side and a square step on the outer side, and a positioning hole in the square step;

[0010] It also includes a plurality of fastening pins, which are respectively installed in the fixing holes of the inner stator core and the outer stator core;

[0011] It also includes an inner stator core, wherein the trapezoidal boss of the inner stator core is provided with a U-shaped groove, and a fastening hole is provided in the middle of the groove;

[0012] It also includes an outer stator core, wherein the inner wall of the outer stator core is provided with a trapezoidal slot, and the inner stator core and the outer stator core are connected through the trapezoidal slot;

[0013] Also included is an outer winding bobbin, which is pressed into the exterior of the outer stator core;

[0014] When multiple enameled wires are energized, they will store electromagnetic energy. The more turns the multiple enameled wires have, the greater the current, the higher the magnetic permeability of the coil, and the more electromagnetic energy is stored. The multiple enameled wires are respectively wound on the square steps on the outside of the inner winding frame. The inner winding frame supports the multiple enameled wires. The square step positioning holes of the inner winding frame are respectively used for the assembly of fastening pins. The inner stator core and the outer stator core are fastened respectively by multiple fastening pins to maintain the fastening force so that the inner stator core and the outer stator core are connected together, and the magnetic field generated by the multiple enameled wires is concentrated and guided to the inner stator core to enhance the magnetic field strength. The cooperation of the inner stator core and the outer stator core can further optimize the performance of the motor, such as improving efficiency, reducing noise and vibration. The outer winding frame provides a solid support structure for the outer stator core, so that it can maintain a fixed shape and position, thereby improving the practicality of the equipment.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the inner winding frame is pressed into the inner stator core, the outer winding frame is pressed into the outer stator core, and then the inner stator core and the outer stator core are press-fitted, and then connected together by pressing a plurality of fastening pins respectively. The structure will be divided into two parts, the inner stator core and the outer stator core, and the inner winding is changed to the outer winding, that is, the inner rotor adopts the outer winding type winding. At the same time, the stator core is equipped with a separate stator frame. The stator frame can ensure the fixation and insulation of the enameled wire during winding, thereby improving the practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a top view of the utility model;

[0017] Figure 2 It is an exploded view of the utility model;

[0018] Figure 3 It is the appearance drawing of the utility model;

[0019] Figure 4 It is a top cross-sectional view of the utility model;

[0020] Figure 5 It is an enlarged view of part A of the present utility model.

[0021] Markings in the accompanying drawings: 01, enameled wire; 02, inner winding frame; 03, fastening pin; 04, inner stator core; 05, outer stator core; 06, outer winding frame. DETAILED DESCRIPTION

[0022] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0023] Example 1

[0024] A high slot fill rate winding structure includes a plurality of enameled wires 01; an inner winding frame 02, a plurality of fastening pins 03, an inner stator core 04, an outer stator core 05 and an outer winding frame 06, wherein the plurality of enameled wires 01 are respectively wound on the inner winding frame 02, the plurality of fastening pins 03 are respectively installed on the inner stator core 04 and the outer stator core 05, the inner stator core 04 is installed inside the inner winding frame 02, and the outer stator core 05 is installed on the outer winding frame 06; the inner winding frame 02 is pressed into the inner winding frame 06. The stator core 04 is the inner stator core, and the outer winding frame 06 is pressed into the outer stator core 5. The inner stator core 04 and the outer stator core 05 are then press-fitted and connected together by pressing in a plurality of fastening pins 03. The structure is divided into two parts: the inner stator core 04 and the outer stator core 05. The inner winding is changed to the outer winding, that is, the inner rotor adopts the outer winding method. At the same time, a separate stator frame is assembled on the stator core. The stator frame can ensure the fixation and insulation of the enameled wire during winding, thereby improving the practicality of the equipment.

[0025] It also includes multiple enameled wires 01, each of which is a type of electric wire composed of a metal wire and an insulating enameled layer. When the multiple enameled wires 01 are energized, they will store electromagnetic energy. The more turns the multiple enameled wires 01 have, the greater the current, the higher the magnetic permeability of the coil, and the more electromagnetic energy is stored, thereby improving the practicality of the device.

[0026] Preferably, it also includes an inner winding skeleton 02, which is pressed into the inner stator core 04. The inner winding skeleton 02 has an annular step on the inner side and a square step on the outer side, and there is a positioning hole in the square step; multiple enameled wires 01 are respectively wound on the square steps on the outer side of the inner winding skeleton 02, and the inner winding skeleton 02 supports the multiple enameled wires 01. The square step positioning holes of the inner winding skeleton 02 are respectively used for the assembly of fastening pins 03, thereby improving the practicality of the equipment.

[0027] Preferably, it also includes a plurality of fastening pins 03, which are respectively installed in the fixing holes of the inner stator core 04 and the outer stator core 05; the inner stator core 04 and the outer stator core 05 are fastened respectively by the plurality of fastening pins 03, and the fastening force is maintained, so that the inner stator core 04 and the outer stator core 05 are connected together, thereby improving the practicality of the equipment.

[0028] Preferably, it also includes an inner stator core 04, the trapezoidal boss of the inner stator core 04 is provided with a U-shaped groove, and a fastening hole is provided in the middle of the groove; the magnetic field generated by the multiple enameled wires 01 is concentrated and guided to the inner stator core 04, thereby enhancing the magnetic field strength and improving the practicality of the equipment.

[0029] Preferably, it also includes an outer stator core 05, and the inner wall of the outer stator core 05 is provided with a trapezoidal slot. The inner stator core 04 and the outer stator core 05 are connected through the trapezoidal slot; the cooperation between the inner stator core 04 and the outer stator core 05 can further optimize the performance of the motor, such as improving efficiency, reducing noise and vibration, and improving the practicality of the equipment.

[0030] Preferably, an outer winding bobbin 06 is further included, which is pressed into the outside of the outer stator core 05; the outer winding bobbin 06 provides a solid support structure for the outer stator core 05, so that it can maintain a fixed shape and position, thereby improving the practicality of the equipment.

[0031] like Figures 1 to 5 As shown, a high slot fill rate winding structure of the present invention, when working, first, when the multiple enameled wires 01 are energized, they will store electromagnetic energy. The more turns of the multiple enameled wires 01, the greater the current, the higher the magnetic permeability of the coil, and the more electromagnetic energy stored. Then, the multiple enameled wires 01 are respectively wound on the square steps outside the inner winding skeleton 02, and the inner winding skeleton 02 supports the multiple enameled wires 01. The square step positioning holes of the inner winding skeleton 02 are respectively used for the assembly of fastening pins 03. Then, the multiple enameled wires 01 are respectively wound on the square steps outside the inner winding skeleton 02. The inner winding bobbin 02 supports multiple enameled wires 01. The square step positioning holes of the inner winding bobbin 02 are used for the assembly of fastening pins 03. The magnetic field generated by the multiple enameled wires 01 is then concentrated and guided to the inner stator core 04 to enhance the magnetic field strength. After that, the cooperation between the inner stator core 04 and the outer stator core 05 can further optimize the performance of the motor, such as improving efficiency, reducing noise and vibration, and improving the practicality of the equipment. Finally, the outer winding bobbin 06 provides a solid support structure for the outer stator core 05, enabling it to maintain a fixed shape and position, thereby improving the practicality of the equipment.

[0032] The main functions achieved by the present invention are as follows: the structure is divided into two parts, the inner stator core 04 and the outer stator core 05, and the inner winding is changed to the outer winding, that is, the inner rotor adopts the outer winding type. At the same time, a separate stator frame is assembled on the stator core. The stator frame can ensure the fixation and insulation of the enameled wire during winding, thereby improving the practicality of the equipment.

[0033] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A high slot fill rate winding structure, comprising a plurality of enameled wires (01); characterized in that: The invention also comprises an inner winding frame (02), a plurality of fastening pins (03), an inner stator core (04), an outer stator core (05) and an outer winding frame (06); a plurality of enameled wires (01) are respectively wound on the inner winding frame (02); a plurality of fastening pins (03) are respectively installed on the inner stator core (04) and the outer stator core (05); the inner stator core (04) is installed inside the inner winding frame (02); and the outer stator core (05) is installed on the outer winding frame (06).

2. A high slot fill rate winding structure according to claim 1, characterized in that: It also includes a plurality of enameled wires (01), each of which is an electric wire consisting of a metal wire and an insulating enameled layer.

3. A high slot fill rate winding structure according to claim 1, characterized in that: It also includes an inner winding frame (02), which is pressed into the inner stator core (04), and has an annular step on the inner side and a square step on the outer side, and a positioning hole in the square step.

4. A high slot fill rate winding structure according to claim 1, characterized in that: It also includes a plurality of fastening pins (03), which are respectively installed in the fixing holes of the inner stator core (04) and the outer stator core (05).

5. A high slot fill rate winding structure according to claim 1, characterized in that: It also includes an inner stator iron core (04), wherein the trapezoidal boss of the inner stator iron core (04) is provided with a U-shaped groove, and a fastening hole is provided in the middle of the groove.

6. A high slot fill rate winding structure according to claim 5, characterized in that: It also includes an outer stator core (05), the inner wall of which is provided with a trapezoidal slot, and the inner stator core (04) and the outer stator core (05) are connected via the trapezoidal slot.

7. A high slot fill rate winding structure according to claim 6, characterized in that: It also includes an outer winding frame (06), which is pressed into the outside of the outer stator core (05).

Citation Information

Patent Citations

  • Winding device of high-slot-fullness frameless linear motor coil

    CN213783099U