CN217063404U

CN217063404U - High efficiency lightweight stator structure

Info

Publication number: CN217063404U
Application number: CN202123439401.1U
Authority: CN
Inventors: 赵磊; 赵成龙; 王治强; 郑伟; 彭振华; 吴国旭; 黄延明; 张韩; 蒋太渊
Original assignee: Suzhou Ruidong Electric Technology Co ltd
Current assignee: Suzhou Ruidong Electric Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-26
Anticipated expiration: 2031-12-30

Abstract

A high-efficiency lightweight stator structure is provided, at least one pair of magnetic poles is arranged in a tubular casing, and a gap is arranged between the adjacent magnetic poles; irregular magnetic conduction rings are arranged outside the tubular casing, and the number and the positions of the irregular magnetic conduction rings are arranged in one-to-one correspondence with the intervals; the magnetic pole is in contour fit with the inner wall of the tubular casing, the irregular-shaped magnetic conductive rings are in contour fit with the outer wall of the tubular casing, the end cover is arranged on one axial side of the tubular casing, and the end cover and the irregular-shaped magnetic conductive rings are integrated. The utility model discloses a high efficiency lightweight stator, through the design of irregularly shaped magnetic conduction ring, according to motor stator's magnetic circuit demand, only carry out the magnetic circuit thickening to the position that magnetic conduction required height in the stator, other magnetic conduction require not high place whole carry out the attenuate processing, and then realize lightening the whole weight of stator under the condition of not reducing stator magnetic conductivity; the end cover structure design also enables the weight of the end cover to be lighter, so that the light weight design can be realized, and the installation efficiency is high without affecting the performance.

Description

High efficiency lightweight stator structure

Technical Field

The utility model belongs to the technical field of the stator structure improves, concretely relates to high efficiency lightweight stator structure.

Background

The stator is a static part of the motor and mainly plays a role of providing a constant permanent magnetic field for the motor. The stator is one of the main components of the motor, and the weight of the stator is directly related to the weight of the whole motor. At present, the lightweight design of the motor is increased day by day, however, in order not to affect the performance of the motor, the structure of the stator assembly is rarely improved to realize the lightweight design, and the traditional stator structure is stable, but has large weight, which is not beneficial to realizing the lightweight of the whole motor; therefore, through the analysis of the stator structure and the performance such as magnetic permeability, the stator structure which can ensure the performance and realize the light weight is designed.

It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention, and is set forth for facilitating understanding of those skilled in the art. These solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present invention.

Disclosure of Invention

For overcoming the deficiencies in the prior art, the utility model aims to provide a high efficiency lightweight stator structure.

In order to achieve the above objects and other related objects, the present invention provides a technical solution: a high-efficiency lightweight stator structure comprises a tubular casing, wherein at least one pair of magnetic poles are arranged inside the tubular casing, and a gap is formed between every two adjacent magnetic poles; the outer part of the tubular casing is provided with irregular magnetic conductive rings, and the number and the positions of the irregular magnetic conductive rings are in one-to-one correspondence with the gaps; the magnetic pole with the inner wall profile modeling laminating of tubulose casing sets up, irregularly shaped magnetic ring all with the outer wall profile modeling laminating of tubulose casing sets up, axial one side of tubulose casing is provided with the end cover, the end cover with irregularly shaped magnetic ring is a whole.

The preferable technical scheme is as follows: the magnetic pole comprises a first magnetic steel and a second magnetic steel which are oppositely arranged, a first gap and a second gap are arranged between the first magnetic steel and the second magnetic steel, and a first magnetic conductive ring and a second magnetic conductive ring which respectively correspond to the first gap and the second gap are arranged outside the tubular shell.

The preferable technical scheme is as follows: and two ends of the end cover are arranged at the end part of the tubular casing in a spanning manner and are respectively arranged corresponding to the first gap and the second gap up and down.

The preferable technical scheme is as follows: the first magnetic conductive ring and the second magnetic conductive ring are respectively positioned at two ends of the end cover and are integrally formed with the end cover.

The preferable technical scheme is as follows: four through holes are formed in the tubular shell; the through holes are located below the magnetic poles, and the four through holes are arranged corresponding to the lower left corner of the first magnetic conductive ring, the lower right corner of the first magnetic conductive ring, the lower left corner of the second magnetic conductive ring and the lower left corner and the lower right corner of the second magnetic conductive ring respectively.

The preferable technical scheme is as follows: the other axial end of the tubular casing is provided with a plurality of riveting buckles, and the riveting buckles and the tubular casing are integrally arranged.

The preferable technical scheme is as follows: the joints of the end cover, the first magnetic conductive ring and the second magnetic conductive ring are detachably embedded into the tubular casing.

The preferable technical scheme is as follows: and the first magnetic conductive ring and the second magnetic conductive ring are respectively provided with two mounting feet bent outwards.

The preferable technical scheme is as follows: and the two side surfaces of the end cover are both trapezoidal sections.

The preferable technical scheme is as follows: the body of the end cover is provided with a hollow structure.

Because of the application of the technical scheme, compared with the prior art, the utility model the advantage that has is:

the utility model relates to a high efficiency lightweight stator, through the design of preferred irregular shape magnetic conduction ring, according to the magnetic circuit demand of motor stator, only carried out the magnetic circuit thickening to the position that magnetic conduction required height in the stator, and other magnetic conduction require not high place whole carry out the attenuate processing, and then realize lightening the whole weight of stator under the condition that does not reduce the magnetic conductivity performance of stator; the design of the end cap structure also enables the weight to be made lighter; the lightweight design not only can be accomplished to this structure, and the installation effectiveness is high still does not influence the performance, and the practicality is strong, is fit for promoting.

Drawings

Fig. 1 is a general schematic diagram of the present invention.

Fig. 2 is a second overall schematic diagram of the present invention.

Fig. 3 is a schematic top view of the present invention.

Fig. 4 is a schematic view of the installation of the tubular housing and the magnetic pole.

In the above drawings, the magnetic bearing assembly comprises a tubular casing 1, a first magnetic steel 2, a second magnetic steel 3, an end cover 4, a first magnetic conductive ring 5, a second magnetic conductive ring 6, a through hole 7, a riveting buckle 8, a mounting pin 9, a first gap 10 and a second gap 11.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 4. It should be understood that, in the description of the present invention, 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, or the directions or positional relationships that the products of the present invention are usually placed when they are used, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "suspended" and the like do not imply that the components are absolutely required to be horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected" and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediary, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b): as shown in fig. 1 and 4, a high-efficiency lightweight stator structure includes a tubular casing 1, at least one pair of magnetic poles is arranged inside the tubular casing 1, and a gap is arranged between adjacent magnetic poles; the outer part of the tubular casing 1 is provided with irregular magnetic conductive rings, and the number and the positions of the irregular magnetic conductive rings are arranged in one-to-one correspondence with the gaps; the magnetic pole is arranged in a shape of being attached to the inner wall of the tubular casing 1 in a copying mode, the irregular-shaped magnetic conduction rings are arranged in a shape of being attached to the outer wall of the tubular casing in a copying mode, the end cover 4 is arranged on one side of the tubular casing 1 in the axial direction, and the end cover 4 and the irregular-shaped magnetic conduction rings are integrated. The magnetic pole comprises a first magnetic steel 2 and a second magnetic steel 3 which are oppositely arranged, a first gap 10 and a second gap 11 are arranged between the first magnetic steel 2 and the second magnetic steel 3, and a first magnetic conductive ring 5 and a second magnetic conductive ring 6 which respectively correspond to the first gap 10 and the second gap 11 are arranged outside the tubular casing 1. Two ends of the end cover 4 are arranged at the end part of the tubular casing 1 in a spanning manner, and are respectively arranged corresponding to the first gap 10 and the second gap 11 up and down. The tubular casing 1 is provided with four through holes 7; the through holes 7 are located below the magnetic poles, and the four through holes 7 are respectively arranged corresponding to the lower left corner of the first magnetic conductive ring 5, the lower right corner of the first magnetic conductive ring 5, the lower left corner of the second magnetic conductive ring 6 and the lower left corner and the lower right corner of the second magnetic conductive ring 6. The joints of the end cover 4, the first magnetic conductive ring 5 and the second magnetic conductive ring 6 are detachably embedded into the tubular casing 1.

The preferred embodiment is: as shown in fig. 1 and 2, the first magnetic conductive ring 5 and the second magnetic conductive ring 6 are both provided with two mounting legs 9 bent outward. For fixing the motor and the flange plate.

The preferred embodiment is: as shown in fig. 1 and 2, the other axial end of the tubular casing 1 is provided with a plurality of riveting buckles 8, and the riveting buckles 8 are integrally formed with the tubular casing 1. Used for riveting with the rear end cover of the motor.

The preferred embodiment is: as shown in fig. 1 and 2, the first magnetic conductive ring 5 and the second magnetic conductive ring 6 are respectively located at two ends of the end cover 4 and are integrally formed with the end cover 4. The two ends of the end cover 4 are respectively connected with the first magnetic conductive ring 5 and the second magnetic conductive ring 6, and the first magnetic conductive ring 5 and the second magnetic conductive ring 6 are equivalently extended from the two sides of the end cover 4 and are integrally arranged, so that the installation efficiency is high, and the positioning is accurate.

The preferred embodiment is: as shown in fig. 1 and 2, both side surfaces of the end cap 4 have a trapezoidal cross section. The two sides of the end cover 4 are cut off, only the middle section is left to be arranged on the tubular casing 1 in a spanning mode, and the weight of the end cover 4 can be made lighter.

The preferred embodiment is: as shown in fig. 1 and 2, the body of the end cap 4 is provided with a hollow structure. The overall weight of the stator can be reduced.

The principle is as follows: as shown in fig. 1 to 4, the magnetic pole is divided into two sections of magnetic steel structures and arranged in the casing, the casing for magnetic conduction in the stator is thickened only at places with high requirements according to the requirement of a magnetic circuit, that is, at the places of the first magnetic conduction ring 5 and the second magnetic conduction ring 6, the two magnetic conduction rings are equivalent to the thickening of the casing, and other places with irrelevant magnetic conduction can be made relatively thinner to reduce the overall weight; the end cover 4 is not taken as the whole cover body, but only a middle section is left to be spanned on the shell, and the weight of the end cover 4 can be lighter; the two ends of the end cover 4 are respectively connected with the magnetic conduction rings at the two sides, which is equivalent to the fact that the magnetic conduction rings extend out of the end cover 4, so that the structure is stable, and the installation and the positioning are convenient; the structure does not affect the performance, can reduce the whole weight, and obtains a light-weight and high-performance stator assembly.

The utility model discloses a high efficiency lightweight stator, through the design of preferred irregular shape magnetic conduction ring, according to motor stator's magnetic circuit demand, only carried out the magnetic circuit thickening to the position that magnetic conduction required height in the stator, and other magnetic conduction require not high place whole attenuate the processing, and then realize lightening the whole weight of stator under the condition that does not reduce the magnetic conductivity performance of stator; the design of the end cover structure also enables the weight to be lighter; the lightweight design not only can be accomplished to this structure, and the installation effectiveness is high still does not influence the performance, and the practicality is strong, is fit for promoting.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.

Claims

1. A high efficiency lightweight stator structure which characterized in that: the magnetic field generator comprises a tubular shell, wherein at least one pair of magnetic poles are arranged in the tubular shell, and a gap is formed between every two adjacent magnetic poles; irregular magnetic rings are arranged outside the tubular casing, and the number and the positions of the irregular magnetic rings are in one-to-one correspondence with the gaps; the magnetic pole with the inner wall profile modeling laminating setting of tubulose casing, irregularly shaped magnetic conduction ring all with the outer wall profile modeling laminating setting of tubulose casing, axial one side of tubulose casing is provided with the end cover.

2. A high efficiency lightweight stator structure according to claim 1, characterized in that: the magnetic pole comprises a first magnetic steel and a second magnetic steel which are arranged oppositely, a first gap and a second gap are arranged between the first magnetic steel and the second magnetic steel, and a first magnetic conductive ring and a second magnetic conductive ring which correspond to the first gap and the second gap respectively are arranged outside the tubular casing.

3. A high efficiency lightweight stator structure according to claim 2, characterized in that: and two ends of the end cover are arranged at the end part of the tubular casing in a spanning manner and respectively correspond to the first gap and the second gap up and down.

4. A high efficiency lightweight stator structure according to claim 3, characterized in that: the first magnetic conductive ring and the second magnetic conductive ring are respectively positioned at two ends of the end cover and are integrally formed with the end cover.

5. The high efficiency lightweight stator structure according to claim 4, characterized in that: four through holes are formed in the tubular shell; the through holes are located below the magnetic poles, and the four through holes are arranged corresponding to the lower left corner of the first magnetic conductive ring, the lower right corner of the first magnetic conductive ring, the lower left corner of the second magnetic conductive ring and the lower left corner and the lower right corner of the second magnetic conductive ring respectively.

6. The high efficiency lightweight stator structure according to claim 5, characterized in that: the other axial end of tubular casing is provided with a plurality of riveting buckles, riveting buckle with tubular casing integral type sets up.

7. The high efficiency lightweight stator structure according to claim 6, characterized in that: the joints of the end cover, the first magnetic conductive ring and the second magnetic conductive ring are detachably embedded into the tubular casing.

8. A high efficiency lightweight stator structure according to claim 7, characterized in that: and the first magnetic conductive ring and the second magnetic conductive ring are respectively provided with two mounting feet bent outwards.

9. A high efficiency lightweight stator structure according to claim 8, characterized in that: and the two side surfaces of the end cover are both trapezoidal sections.

10. A high efficiency lightweight stator structure according to claim 9, characterized in that: the body of the end cover is provided with a hollow structure.