Winding reel of motor

Abstract

The utility model is applied to the field of motor winding reels, in particular to a winding reel of a motor, which comprises a winding reel body, at least three winding grooves are arranged on the inner surface and the outer surface of the winding reel body, and the winding grooves are annularly distributed on the winding reel body. A placement hole for placing a permanent magnet is formed between every two adjacent winding grooves, the winding grooves and the placement holes penetrate through the winding reel body, the two ends of each winding groove are provided with cambered surface ends for uniformly and smoothly winding wires, and the winding grooves are formed in the two sides of each winding groove, so that the groove fullness rate of the winding reel is increased, copper consumption is reduced, and the service life of the winding reel is prolonged. The distortion and magnetic leakage phenomena of a magnetic field are reduced, the electromagnetic performance is improved, and the winding uniformity and the winding smoothness during wire winding are improved by arranging the cambered surface end.

Description

Technical Field

[0001] The utility model relates to the technical field of winding drums for motor motors, and particularly relates to a winding drum for a motor motor. Background Technique

[0002] Traditional double-stator tangential excitation magnetic field modulation motors have the advantages of compact structure, fast dynamic response, and high efficiency. Therefore, double-stator excitation magnetic field modulation motors are suitable for a variety of high and low speed operation occasions. Existing double-stator excitation magnetic field modulation motors are all provided with a winding slot, resulting in a low slot filling rate and high copper loss. Content of the Utility Model

[0003] The purpose of the utility model is to provide a winding drum for a motor motor to solve the problems put forward in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: a winding drum for a motor motor, including a winding drum body. The inner surface and the outer surface of the winding drum body are both provided with winding slots. The number of winding slots is at least 3. A plurality of winding slots are annularly distributed on the winding drum body. An installation hole for installing a permanent magnet is provided between two adjacent winding slots. The winding slots and the installation holes penetrate through the winding drum body. Arc-shaped ends for uniformly and smoothly winding wire are provided at both ends of the winding slots.

[0005] Preferably, the winding slot is a convex slot.

[0006] Preferably, wire placement slots for facilitating wire winding are provided on the top surface and the bottom surface of the winding drum body.

[0007] Preferably, the number of the wire placement slots is two, and the two wire placement slots are symmetrically distributed on both sides of the installation hole.

[0008] Preferably, the number of the installation holes corresponds to the number of the winding slots on the inner side of the winding drum body.

[0009] Preferably, the winding drum body is a solid steel body, a silicon steel body or a non-crystalline ferromagnetic composite material body.

[0010] Preferably, guiding convex platforms for guiding wire are convexly provided on the inner and outer surfaces at the upper and lower ends of the winding drum body 1.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. A winding cylinder for an electric motor, comprising a winding cylinder body. Both the inner surface and the outer surface of the winding cylinder body are provided with winding grooves. The number of winding grooves is at least 3, and multiple winding grooves are annularly distributed on the winding cylinder body. An installation hole for arranging a permanent magnet is provided between two adjacent winding grooves. The winding grooves and the installation holes penetrate through the winding cylinder body. Arc-shaped ends for uniformly and smoothly winding wire are provided at both ends of the winding grooves. By providing winding grooves on both sides, the slot filling rate of the present utility model is improved, the copper loss is reduced, the distortion and leakage of the magnetic field are reduced, and the electromagnetic performance is improved. By arranging the arc-shaped ends, the winding uniformity and winding smoothness during wire winding are improved. Description of the Drawings

[0013] Figure 1 It is a cross-sectional view of the overall structure of the present utility model;

[0014] Figure 2 It is a schematic diagram of the overall structure of the present utility model;

[0015] In the figure: winding cylinder body 1, winding groove 10, installation hole 11, arc-shaped end 12, wire placement groove 13, guiding boss 14. Detailed Embodiment

[0016] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0017] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the Figure 2 orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0018] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, terms such as "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0019] Embodiment 1

[0020] As Figures 1 to 2 shown, a winding bobbin of a motor in this embodiment includes a winding bobbin body 1. The inner surface and the outer surface of the winding bobbin body 1 are both provided with winding grooves 10. The number of winding grooves 10 is at least 3, and multiple winding grooves 10 are annularly distributed on the winding bobbin body 1. An accommodation hole 11 for accommodating a permanent magnet is provided between two adjacent winding grooves 10. The winding grooves 10 and the accommodation holes 11 both penetrate the winding bobbin body 1. Arc-shaped ends 12 for uniformly and smoothly winding the wire are provided at both ends of the winding grooves 10. By providing winding grooves 10 on both the inner and outer sides of the winding bobbin body 1, the slot fill factor of the present utility model is improved, the copper loss is reduced, the distortion and leakage of the magnetic field are reduced, and the electromagnetic performance is improved. By providing the arc-shaped ends 12, the winding uniformity and winding smoothness during wire winding are improved.

[0021] Furthermore, the winding groove 10 is a convex groove. The convex groove facilitates stamping processing, reduces the processing difficulty, and thus improves the production efficiency of the present utility model.

[0022] Furthermore, wire placement grooves 13 for facilitating wire winding are provided on both the top surface and the bottom surface of the winding bobbin body 1. Through the placement and guiding effects of the wire placement grooves on the wire during winding, the convenience of wire winding of the present utility model is improved.

[0023] Furthermore, the number of the wire placement grooves 13 is two, and the two wire placement grooves 13 are symmetrically distributed on both sides of the accommodation hole 11, improving the uniformity of wire distribution during wire winding of the present utility model.

[0024] Furthermore, the number of the accommodation holes 11 corresponds to the number of the winding grooves 10 on the inner side of the winding bobbin body 1, thereby improving the motor performance, increasing the flexibility, and reducing the energy consumption.

[0025] Further, the winding bobbin body 1 is a solid steel body, a silicon steel body or an amorphous ferromagnetic composite material body. Due to the high strength, high durability and easy processing of solid steel, silicon steel sheets or amorphous ferromagnetic composite materials, the service life and processing convenience of the present utility model are improved. Further, the winding bobbin body 1 of the present utility model is a solid steel body.

[0026] Embodiment 2

[0027] The difference between Embodiment 2 and Embodiment 1 is that: guiding bosses 14 for guiding wire are convexly provided on the inner and outer surfaces at the upper and lower ends of the winding bobbin body 1. Through the guiding action of the guiding bosses 14, the good guiding property during wire winding of the present utility model is improved.

[0028] Finally, it should be noted that: the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A winding bobbin for an electric motor, characterized in that: It includes a winding drum body, the inner surface of the winding drum body and the outer surface of the winding drum body are both provided with winding grooves, the number of the winding grooves is at least 3, and the multiple winding grooves are annularly distributed on the winding drum body, and an installation hole for accommodating a permanent magnet is provided between two adjacent winding grooves. The winding grooves and the installation holes both pass through the winding drum body, and both ends of the winding grooves are provided with arc ends for evenly and smoothly winding the wire.

2. The winding reel of a motor according to claim 1, characterized in that: The winding groove is a convex groove.

3. The winding reel of a motor according to claim 1, characterized in that: The top surface and the bottom surface of the winding drum body are both provided with wire placement grooves for facilitating wire winding.

4. The winding bobbin of a motor according to claim 3, characterized in that: The number of the wire arranging grooves is two, and the two wire arranging grooves are symmetrically distributed on both sides of the installation hole.

5. The winding bobbin of a motor according to claim 1, characterized in that: The number of the placement holes corresponds to the number of the winding grooves on the inner side of the winding drum body.

6. The winding bobbin of a motor according to claim 1, characterized in that: The winding drum body is a solid steel body, a silicon steel body or an amorphous ferromagnetic composite material body.

7. The winding bobbin of a motor according to claim 1, characterized in that: The inner and outer surfaces of the upper and lower ends of the winding drum body are both convexly provided with guide bosses for guiding the wire.

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