阅读说明：本技术 一种调制环 (Modulation ring ) 是由 皋世俊 王向东 于 2019-04-24 设计创作，主要内容包括：本发明公开了一种二级复合直驱电机,包括绕组总成(1)、内磁环总成(2)、调制环总成(3)、外磁环总成(4)和输出轴(5),四者同轴套装在一起；绕组总成(1)位于内磁环总成(2)内腔中,并与内磁环总成(2)由气隙隔开；内磁环总成(2)位于调制环总成(3)内腔中,并与调制环总成(3)由气隙隔开；调制环总成(3)位于外磁环总成(4)内腔中,并与外磁环总成(4)由气隙隔开；绕组总成(1)通交流电产生旋转磁场,旋转磁场与内磁环总成(2)、调制环总成(3)、外磁环总成(4)产生作用力,经由输出轴(5)将动能输出。本发明结构简单、体积小,能够实现低转速输出,可满足各种低速负载的需求,适宜推广使用。(The invention discloses a two-stage composite direct-drive motor which comprises a winding assembly (1), an inner magnetic ring assembly (2), a modulation ring assembly (3), an outer magnetic ring assembly (4) and an output shaft (5), wherein the four are coaxially sleeved together; the winding assembly (1) is positioned in the inner cavity of the inner magnetic ring assembly (2) and is separated from the inner magnetic ring assembly (2) by an air gap; the inner magnetic ring assembly (2) is positioned in the inner cavity of the modulation ring assembly (3) and is separated from the modulation ring assembly (3) by an air gap; the modulation ring assembly (3) is positioned in the inner cavity of the outer magnetic ring assembly (4) and is separated from the outer magnetic ring assembly (4) by an air gap; the winding assembly (1) is electrified with alternating current to generate a rotating magnetic field, the rotating magnetic field generates acting force with the inner magnetic ring assembly (2), the modulation ring assembly (3) and the outer magnetic ring assembly (4), and kinetic energy is output through the output shaft (5). The invention has simple structure and small volume, can realize low-speed output, can meet the requirements of various low-speed loads, and is suitable for popularization and use.)

1. The utility model provides a modulation ring, cage type that includes support (1), magnetic conduction piece (2), carbon fiber ring (3), its characterized in that: the cage-shaped support is composed of isolation supporting blocks (4) and two end rings (5), wherein the isolation supporting blocks (4) are uniformly distributed along the circumferential direction, and two ends of the isolation supporting blocks are aligned and positioned between the two end rings (5); the magnetic conduction blocks (2) are nested between adjacent isolation supporting blocks, are matched with the isolation supporting blocks (4) and limit tangential movement through the isolation supporting blocks (4), and the adjacent magnetic conduction blocks (2) are not contacted; two ends of the magnetic conduction block (2) are attached to the end ring (5) and limit axial movement through the end ring (5); the carbon fiber ring (3) is coated on the outer circumferential surfaces of the isolation supporting block (4) and the magnetic conduction block (2) to limit the radial movement of the magnetic conduction block (2); the cage-shaped support (1), the magnetic conduction block and the carbon fiber ring (3) form a cylindrical whole.

2. A modulation loop according to claim 1, wherein: the section of the isolation supporting block (4) perpendicular to the axial direction is in a convex shape.

3. A modulation loop according to claim 1, wherein: the cross section of the magnetic conduction block (2) perpendicular to the axial direction is T-shaped.

4. A modulation loop according to claim 1, wherein: the cage-shaped support (1) can be formed by machining cylindrical or columnar materials such as nylon, plastic and the like.

5. A modulation loop according to claim 1, wherein: the magnetic conduction blocks (2) are formed by axially overlapping silicon steel sheets with the same shape.

6. A modulation loop according to claim 1, wherein: the carbon fiber ring (3) is formed by winding carbon fiber wires and epoxy glue or formed by wrapping carbon fiber cloth and epoxy glue.

Technical Field

The invention relates to the field of permanent magnet motors, in particular to a modulation ring based on a magnetic field modulation principle.

Background

The modulation ring is a core component in a permanent magnet gear and a permanent magnet composite motor based on a magnetic field modulation principle, and has wide application prospects in the fields of wind power generation, air cooling islands, belt conveyors, electric vehicles and the like. The existing modulation ring has low transmission efficiency, poor structural rigidity, complex manufacturing process, difficult processing and assembly, difficult batch production and incapability of meeting market requirements.

Disclosure of Invention

The invention aims to provide a novel modulation ring with good structural rigidity and simple processing and assembly aiming at the defects of low modulation ring efficiency, poor structural rigidity, difficult processing and assembly and the like in the prior art.

The invention aims to solve the problems by the following technical scheme:

the utility model provides a modulation ring, cage type that includes support (1), magnetic conduction piece (2), carbon fiber ring (3), its characterized in that: the cage-shaped support is composed of isolation supporting blocks (4) and two end rings (5), wherein the isolation supporting blocks (4) are uniformly distributed along the circumferential direction, and two ends of the isolation supporting blocks are aligned and positioned between the two end rings (5); the magnetic conduction blocks (2) are nested between adjacent isolation supporting blocks, are matched with the isolation supporting blocks (4) and limit tangential movement through the isolation supporting blocks (4), and the adjacent magnetic conduction blocks (2) are not contacted; two ends of the magnetic conduction block (2) are attached to the end ring (5) and limit axial movement through the end ring (5); the carbon fiber ring (3) is coated on the outer circumferential surfaces of the isolation supporting block (4) and the magnetic conduction block (2) to limit the radial movement of the magnetic conduction block (2); the cage-shaped support (1), the magnetic conduction block and the carbon fiber ring (3) form a cylindrical whole.

The section of the isolation supporting block (4) perpendicular to the axial direction is in a convex shape.

The cross section of the magnetic conduction block (2) perpendicular to the axial direction is T-shaped.

The cage-shaped support (1) can be formed by machining cylindrical or columnar materials such as nylon, plastic and the like.

The magnetic conduction blocks (2) are formed by axially overlapping silicon steel sheets with the same shape.

The carbon fiber ring (3) is formed by winding carbon fiber wires and epoxy glue or formed by wrapping carbon fiber cloth and epoxy glue.

Compared with the prior art, the invention has the following advantages:

a connecting bridge is arranged between the adjacent magnetic conduction blocks, so that the efficiency of the permanent magnet gear or the permanent magnet motor is effectively improved; the cage-shaped support is adopted, so that the assembly of the magnetic conduction block is facilitated, the process is simpler, and the overall cylindricity and rigidity of the modulation ring can be ensured; the magnetic conduction block is fixed by adopting a carbon fiber ring mode, the process is simple, the efficiency is not influenced, and the weight of the modulation ring is reduced.

Drawings

FIG. 1 is a schematic diagram of a modulation loop architecture of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of a cage-type support structure of the present invention;

fig. 4 is a schematic cross-sectional structure of fig. 3.

Wherein: 1. supporting in a cage shape; 2. a magnetic conduction block; 3. a carbon fiber ring; isolating the supporting block; 5. and an end ring.

Detailed Description

The invention is further described with reference to the following figures and examples.

As shown in fig. 1-4: a modulating ring comprises a cage-shaped support (1), a magnetic conduction block (2) and a carbon fiber ring (3), wherein the cage-shaped support consists of an isolation support block (4) and two end rings (5) and is formed by machining tubular materials such as nylon, plastic and the like. The isolation supporting blocks (4) are uniformly distributed along the circumferential direction, two ends of the isolation supporting blocks are aligned and are positioned between the two end rings (5), and the cross section of each isolation supporting block (4) perpendicular to the axial direction is in a convex shape. The cross section of the magnetic conduction block (2) perpendicular to the axial direction is in a T shape and is formed by overlapping silicon steel sheets with the same shape along the axial direction, the magnetic conduction block (2) can be just nested between adjacent isolation supporting blocks, is matched with the isolation supporting blocks (4) and limits tangential movement through the isolation supporting blocks (4), and the adjacent magnetic conduction blocks (2) are not contacted. Two ends of the magnetic conduction block (2) are attached to the end ring (5) and limit axial movement through the end ring (5). The carbon fiber ring (3) is coated on the outer circumferential surfaces of the isolation supporting block (4) and the magnetic conduction block (2) to limit the radial movement of the magnetic conduction block (2). The carbon fiber ring (3) is formed by winding carbon fiber wires and epoxy glue or formed by wrapping carbon fiber cloth and epoxy glue. The cage-shaped support (1), the magnetic conduction block and the carbon fiber ring (3) form a cylindrical whole.

A connecting bridge is arranged between the adjacent magnetic conduction blocks, so that the efficiency of the permanent magnet gear or the permanent magnet motor is effectively improved; the cage-shaped support is adopted, so that the assembly of the magnetic conduction block is facilitated, the process is simpler, and the overall cylindricity and rigidity of the modulation ring can be ensured; the magnetic conduction block is fixed by adopting the carbon fiber ring, the process is simple, the efficiency is not influenced, the weight of the modulation ring is reduced, and the method is suitable for popularization and application.

The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical scheme according to the technical idea proposed by the present invention falls within the protection scope of the present invention; the technology not related to the invention can be realized by the prior art.