Winding structure applied to motor rotor magnetic pole

Abstract

The utility model provides a winding structure applied to a motor rotor magnetic pole. The winding structure comprises a first fiber braid layer, a second fiber braid layer, a third fiber braid layer and a fourth fiber braid layer, the first fiber braid layer, the second fiber braid layer, the third fiber braid layer and the fourth fiber braid layer are sequentially wound on the outer wall of the motor rotor magnetic pole from inside to outside and are cured by an adhesive to form a winding structure; according to the utility model, the motor rotor has the advantages of light weight, high strength and high rigidity, thereby being beneficial to the light weight of the motor rotor, the reduction of the energy consumption of the motor, and the improvement of the dynamic balance of the motor rotor.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor rotor technical field, specifically, relate to a kind of winding structure applied to motor rotor magnetic pole. BACKGROUND

[0002] Motor rotor magnetic pole is the important component in motor, in prior art, the outer portion of motor rotor magnetic pole is fixed with annular support structure made of steel material, since the annular support structure of present setting in the outer portion of motor rotor magnetic pole is made of steel material, thereby it is not conducive to the lightweight of motor rotor, and it is not conducive to reduce the energy consumption of motor. SUMMARY

[0003] The utility model provides a kind of winding structure applied to motor rotor magnetic pole, it can make motor rotor have the advantages of light weight, high strength and stiffness, thereby it is conducive to the lightweight of motor rotor, and it is conducive to reduce the energy consumption of motor, and it is conducive to improve the dynamic balance of motor rotor.

[0004] The utility model provides a kind of winding structure applied to motor rotor magnetic pole, it includes the first fiber woven layer, second fiber woven layer, third fiber woven layer and fourth fiber woven layer with adhesive on surface, first fiber woven layer, second fiber woven layer, third fiber woven layer and fourth fiber woven layer are sequentially wound on the outer wall of motor rotor magnetic pole from inside to outside and form winding structure after adhesive solidification.

[0005] The utility model adopts first fiber woven layer, second fiber woven layer, third fiber woven layer and fourth fiber woven layer sequentially wound on the outer wall of motor rotor magnetic pole from inside to outside and form winding structure after adhesive solidification, the winding structure can reliably make effect to motor rotor magnetic pole, and it can make motor rotor have the advantages of light weight, high strength and stiffness, thereby it is conducive to the lightweight of motor rotor, and it is conducive to reduce the energy consumption of motor, and it is conducive to improve the dynamic balance of motor rotor.

[0006] In a possible implementation, the first fiber woven layer is formed by spirally reciprocating winding of the first woven fiber along the circumferential direction of the motor rotor magnetic pole, and the first fiber woven layer formed by spirally reciprocating winding of the first woven fiber along the circumferential direction of the motor rotor magnetic pole has the advantages of high structural strength and high rigidity.

[0007] In a possible implementation, the second fiber woven layer is formed by winding of the first fiber cloth along the circumferential direction of the motor rotor magnetic pole, and the second fiber woven layer formed by winding of the first fiber cloth along the circumferential direction of the motor rotor magnetic pole has the advantages of high structural strength and high rigidity.

[0008] In a possible implementation, the first fiber cloth is formed by a plurality of second woven fibers spaced apart from left to right and a plurality of third woven fibers spaced apart from top to bottom; the second woven fibers have an angle of 90 degrees with the axis of the motor rotor magnetic pole, and the third woven fibers have an angle of 0 degrees with the axis of the motor rotor magnetic pole; after the first fiber cloth is used, the first fiber cloth has the advantages of high structural strength and high rigidity, so that after the first fiber cloth is wound along the circumferential direction of the motor rotor magnetic pole to form the second fiber woven layer, the second fiber woven layer has the advantages of high structural strength and high rigidity.

[0009] In a possible implementation, the third fiber woven layer is formed by winding the fourth woven fiber along the circumferential direction of the motor rotor magnetic pole; the third fiber woven layer formed by winding the fourth woven fiber along the circumferential direction of the motor rotor magnetic pole has the advantages of high structural strength and high rigidity.

[0010] In a possible implementation, the fourth fiber woven layer is formed by winding the second fiber cloth along the circumferential direction of the motor rotor magnetic pole; the fourth fiber woven layer formed by winding the second fiber cloth along the circumferential direction of the motor rotor magnetic pole has the advantages of high structural strength and high rigidity.

[0011] In a possible implementation, the second fiber cloth is formed by a plurality of fifth woven fibers spaced apart from left to right and a plurality of sixth woven fibers spaced apart from left to right; the fifth woven fibers and the sixth woven fibers are both inclined and have opposite inclination directions, and the fifth woven fibers and the sixth woven fibers have an angle of 45 degrees with the axis of the motor rotor magnetic pole; after the second fiber cloth is used, the second fiber cloth has the advantages of high structural strength and high rigidity, so that after the second fiber cloth is wound along the circumferential direction of the motor rotor magnetic pole to form the fourth fiber woven layer, the fourth fiber woven layer has the advantages of high structural strength and high rigidity.

[0012] In a possible implementation, the fiber materials of the first fiber woven layer, the second fiber woven layer, the third fiber woven layer, and the fourth fiber woven layer are all carbon fibers or glass fibers; after the fiber materials of the first fiber woven layer, the second fiber woven layer, the third fiber woven layer, and the fourth fiber woven layer are carbon fibers or glass fibers, the first fiber woven layer, the second fiber woven layer, the third fiber woven layer, and the fourth fiber woven layer have the advantages of high compression and tensile strength and high rigidity.

[0013] In a possible implementation, the adhesive is polyester resin, epoxy resin, or phenolic resin; after the polyester resin, the epoxy resin, or the phenolic resin is used as the adhesive, the adhesive has the advantages of high bonding strength and good bonding firmness. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A perspective view of the winding structure;

[0015] Figure 2 An exploded view of the winding structure;

[0016] Figure 3 A perspective view of the first fiber cloth;

[0017] Figure 4 A perspective view of the second fiber cloth. DETAILED DESCRIPTION

[0018] First, those skilled in the art should understand that the embodiments are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments as needed in order to adapt to specific application occasions.

[0019] In the description of the embodiments of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0020] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0021] The present application will be further described in detail below in conjunction with the drawings and specific embodiments.

[0022] Reference Figures 1-4 As shown, the winding structure applied to the motor rotor magnetic pole disclosed by the embodiments of the present application includes a first fiber woven layer 1 coated with an adhesive on the surface, a second fiber woven layer 2, a third fiber woven layer 3 and a fourth fiber woven layer 4; the first fiber woven layer 1, the second fiber woven layer 2, the third fiber woven layer 3 and the fourth fiber woven layer 4 are sequentially wound on the outer wall of the motor rotor magnetic pole from inside to outside and cured by the adhesive to form the winding structure.

[0023] The first fiber woven layer 1 is formed by spirally reciprocally winding the first woven fiber 11 along the circumferential direction of the motor rotor magnetic pole; the first fiber woven layer formed by spirally reciprocally winding the first woven fiber along the circumferential direction of the motor rotor magnetic pole has the advantages of high structural strength and high rigidity.

[0024] The second fiber woven layer 2 is formed by winding the first fiber cloth 21 along the circumferential direction of the motor rotor magnetic pole; the second fiber woven layer formed by winding the first fiber cloth along the circumferential direction of the motor rotor magnetic pole has the advantages of high structural strength and high rigidity.

[0025] The first fiber cloth 21 is woven by a plurality of second woven fibers 211 spaced apart from left to right and a plurality of third woven fibers 212 spaced apart from top to bottom; the second woven fiber 211 has an angle of 90 degrees with the axis of the motor rotor magnetic pole, and the third woven fiber 212 has an angle of 0 degrees with the axis of the motor rotor magnetic pole; by using such a first fiber cloth, the first fiber cloth has the advantages of high structural strength and high rigidity, so that after the first fiber cloth is wound along the circumferential direction of the motor rotor magnetic pole and forms the second fiber woven layer, the second fiber woven layer has the advantages of high structural strength and high rigidity.

[0026] The third fiber woven layer 3 is formed by spirally reciprocally winding the fourth woven fiber 31 along the circumferential direction of the motor rotor magnetic pole; the third fiber woven layer formed by spirally reciprocally winding the fourth woven fiber along the circumferential direction of the motor rotor magnetic pole has the advantages of high structural strength and high rigidity.

[0027] The fourth fiber woven layer 4 is formed by winding the second fiber cloth 41 along the circumferential direction of the motor rotor magnetic pole; the fourth fiber woven layer formed by winding the second fiber cloth along the circumferential direction of the motor rotor magnetic pole has the advantages of high structural strength and high rigidity.

[0028] The second fiber cloth 41 is woven by a plurality of fifth woven fibers 411 spaced apart from left to right and a plurality of sixth woven fibers 412 spaced apart from left to right; the fifth woven fiber 411 and the sixth woven fiber 412 are both inclined and have opposite inclination directions, and the fifth woven fiber 411 and the sixth woven fiber 412 have an angle of 45 degrees with the axis of the motor rotor magnetic pole; by using such a second fiber cloth, the second fiber cloth has the advantages of high structural strength and high rigidity, so that after the second fiber cloth is wound along the circumferential direction of the motor rotor magnetic pole and forms the fourth fiber woven layer, the fourth fiber woven layer has the advantages of high structural strength and high rigidity.

[0029] The fiber materials of the first fiber woven layer 1, the second fiber woven layer 2, the third fiber woven layer 3 and the fourth fiber woven layer 4 are carbon fibers or glass fibers; after the fiber materials of the first fiber woven layer, the second fiber woven layer, the third fiber woven layer and the fourth fiber woven layer adopt carbon fibers or glass fibers, the first fiber woven layer, the second fiber woven layer, the third fiber woven layer and the fourth fiber woven layer have the advantages of high compression and tensile strength and high rigidity.

[0030] The adhesive is a polyester resin or an epoxy resin or a phenolic resin; after adopting a polyester resin or an epoxy resin or a phenolic resin as the adhesive, the adhesive has the advantages of high bonding strength and good bonding firmness.

[0031] The manufacturing method of the above winding structure comprises the following steps:

[0032] Step one, using the first woven fiber 11 coated with adhesive to spiral reciprocally wrap along the circumferential direction of the motor rotor magnetic pole to form the first fiber woven layer 1;

[0033] Step two, using the first fiber cloth 21 coated with adhesive to wrap along the circumferential direction of the motor rotor magnetic pole on the outer peripheral wall of the first fiber woven layer 1 to form the second fiber woven layer 2;

[0034] Step three, using the fourth woven fiber 31 coated with adhesive to spiral reciprocally wrap along the circumferential direction of the motor rotor magnetic pole on the outer peripheral wall of the second fiber woven layer 2 to form the third fiber woven layer 3;

[0035] Step four, using the second fiber cloth 41 coated with adhesive to wrap along the circumferential direction of the motor rotor on the outer peripheral wall of the third fiber woven layer 3 to form the fourth fiber woven layer 4.

[0036] In the above winding structure, by the laminated and composite use of the first woven fiber, the first fiber cloth, the fourth woven fiber and the second fiber cloth, and due to the different weaving angles of the second woven fiber and the third woven fiber in the first fiber cloth and the fifth woven fiber and the sixth woven fiber in the second fiber cloth, the compression and tensile strength of the motor rotor in each direction can be improved, that is, the overall strength and rigidity of the motor rotor can be greatly improved, and the balance of the strength and rigidity of the motor rotor in each direction can be improved.

[0037] In addition, the winding tightness of the winding structure applied to the motor rotor magnetic pole has relevance with the material, size (such as thickness, width, etc.), motor rotating speed, etc. of the rotor magnetic pole, and can be flexibly set according to requirements in actual production. In addition, in order to prevent the motor rotor magnetic pole from being displaced or falling off due to the centrifugal force during high-speed rotation of the motor rotor, a corresponding support structure needs to be set to ensure the stability and reliability of the motor rotor magnetic pole. The winding structure applied to the motor rotor magnetic pole is to replace the traditional steel sleeve structure, and the fiber is circumferentially wrapped on the outer wall of the motor rotor magnetic pole to ensure the stability and reliability of the motor rotor magnetic pole.

[0038] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A winding structure applied to a magnetic pole of a rotor of an electric machine, characterized in that: The winding structure comprises a first fiber woven layer (1), a second fiber woven layer (2), a third fiber woven layer (3) and a fourth fiber woven layer (4) coated with an adhesive on the surface; the first fiber woven layer (1), the second fiber woven layer (2), the third fiber woven layer (3) and the fourth fiber woven layer (4) are sequentially wound on the outer wall of the motor rotor magnetic pole from inside to outside and cured by the adhesive to form the winding structure.

2. The winding structure applied to the magnetic pole of the rotor of the electric machine according to claim 1, characterized in that: The first fiber woven layer (1) is formed by spirally reciprocally winding the first woven fiber (11) along the circumferential direction of the motor rotor magnetic pole.

3. The winding structure applied to the magnetic pole of the rotor of the electric machine according to claim 1, characterized in that: The second fiber woven layer (2) is formed by winding the first fiber cloth (21) along the circumferential direction of the motor rotor magnetic pole.

4. The winding structure applied to the magnetic pole of the rotor of the electric machine according to claim 3, characterized in that: The first fiber cloth (21) is woven by a plurality of second woven fibers (211) which are spaced apart from left to right and a plurality of third woven fibers (212) which are spaced apart from top to bottom; the second woven fiber (211) forms an angle of 90 degrees with the axis of the motor rotor magnetic pole, and the third woven fiber (212) forms an angle of 0 degrees with the axis of the motor rotor.

5. The winding structure applied to the magnetic pole of the rotor of the electric machine according to claim 1, characterized in that: The third fiber woven layer (3) is formed by spirally reciprocally winding the fourth woven fiber (31) along the circumferential direction of the motor rotor magnetic pole.

6. The winding structure applied to the magnetic pole of the rotor of the electric machine according to claim 1, characterized in that: The fourth fiber woven layer (4) is formed by winding the second fiber cloth (41) along the circumferential direction of the motor rotor magnetic pole.

7. The winding structure applied to the magnetic pole of the rotor of the electric machine according to claim 6, characterized in that: The second fiber cloth (41) is woven by a plurality of fifth woven fibers (411) which are spaced apart from left to right and a plurality of sixth woven fibers (412) which are spaced apart from left to right; the fifth woven fiber (411) and the sixth woven fiber (412) are both inclined and have opposite inclination directions, and the fifth woven fiber (411) and the sixth woven fiber (412) both form an angle of 45 degrees with the axis of the motor rotor magnetic pole.

8. The winding structure applied to the magnetic pole of the rotor of the electric machine according to claim 1, characterized in that: The fiber materials of the first fiber woven layer (1), the second fiber woven layer (2), the third fiber woven layer (3) and the fourth fiber woven layer (4) are all carbon fibers or glass fibers.

9. The winding structure applied to the magnetic pole of the rotor of the electric machine according to claim 1, characterized in that: The adhesive is polyester resin, epoxy resin or phenolic resin.

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