CN218124430U

CN218124430U - Energy-saving rotor structure

Info

Publication number: CN218124430U
Application number: CN202221397069.9U
Authority: CN
Inventors: 鲁大健
Original assignee: Jiangsu Jinhe Motor Manufacturing Co ltd
Current assignee: Jiangsu Jinhe Motor Manufacturing Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-12-23
Anticipated expiration: 2032-06-06

Abstract

The utility model relates to a rotor structure technical field just discloses an energy-saving rotor structure, including the external rotor, the inner rotor has been cup jointed to the inside of external rotor, the shaft hole has been seted up to the inside of inner rotor, the inside fixedly connected with axis of rotation in shaft hole, the inside at the external rotor is seted up to the cavity, the inner wall fixed mounting of cavity has magnetic part one, the inner wall fixedly connected with joint piece of cavity, one side fixedly connected with elastic component of joint piece, first-class through-hole has been seted up to the upper surface inside of external rotor. This energy-saving rotor structure through the setting of first opening, concave groove, spacing groove, second opening, third opening and fourth opening, effectively improves cooling efficiency, and need not to increase extra actuating system, loop construction etc. can effectively reduce electric motor rotor size and weight, improves motor efficiency, can also reduce the system consumption, is favorable to energy-conserving apolegamy.

Description

Energy-saving rotor structure

Technical Field

The utility model relates to a rotor structure technical field specifically is an energy-saving rotor structure.

Background

The motor is a rotary electric machine that converts electrical energy into mechanical energy. The motor generally comprises two parts, namely a stator and a rotor, wherein the stator of the motor comprises a stator core, a winding and an insulating material, and the rotor of the motor comprises a rotor core and a permanent magnet (or/and cast aluminum). When the motor works at a high speed, the eddy current loss of the rotor caused by harmonic current can cause very high temperature rise of the rotor in a high-speed magnetic suspension motor, the running stability of the rotor can be seriously influenced after the temperature rises, and if the temperature of the rotor is too high, the permanent magnet can be irreversibly demagnetized, so that an energy-saving rotor structure is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an energy-saving rotor structure has solved the motor at high-speed during operation, and the rotor eddy current loss that harmonic current arouses can arouse the very high temperature rise of rotor in high-speed magnetic suspension motor, and the operating stability of rotor can be seriously influenced after the temperature risees, if the rotor high temperature, can lead to the irreversible problem of losing magnetism of permanent magnet.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an energy-saving rotor structure, includes the outer rotor, the inner rotor has been cup jointed to the inside of outer rotor, the shaft hole has been seted up to the inside of inner rotor, the inside fixedly connected with axis of rotation in shaft hole.

Further, a cavity is formed in the outer rotor, a first magnetic part is fixedly mounted on the inner wall of the cavity, a clamping block is fixedly connected to the inner wall of the cavity, and an elastic part is fixedly connected to one side of the clamping block.

Furthermore, a first flow through hole is formed in the inner portion of the upper surface of the outer rotor, a second flow through hole is formed in one side, close to the first flow through hole, of the inner portion of the outer rotor, and a third flow through hole is formed in one side, close to the first flow through hole, of the inner portion of the outer rotor.

Furthermore, a fourth circulation hole is formed in the inner portion of the upper surface of the inner rotor, a concave groove is formed in the outer wall of the inner rotor, a second magnetic part is fixedly connected to the inner wall of the concave groove, and a limiting groove is formed in one side, close to the concave groove, of the outer wall of the inner rotor.

Furthermore, one side of the elastic element is movably connected with an inner rotor, the number of the second through holes is several, and the size of each second through hole is the same.

Furthermore, the number of the first circulation holes is several, the size of each first circulation hole is the same, the number of the fourth circulation holes is several, the size of each fourth circulation hole is the same, and one end of the clamping block is clamped in the limiting groove.

The beneficial effects of the utility model are that:

1. this energy-saving rotor structure through the setting of first opening, concave groove, spacing groove, second opening, third opening and fourth opening, effectively improves cooling efficiency, and need not to increase extra actuating system, loop construction etc. can effectively reduce electric motor rotor size and weight, improves motor efficiency, can also reduce the system consumption, is favorable to energy-conserving apolegamy.

2. This energy-saving rotor structure through the setting of elastic component, joint piece, concave groove and spacing groove, cup joints the outer wall at the inner rotor with the external rotor, then carries out the joint through joint piece, spacing groove, concave groove and elastic component to internal rotor and external rotor, has played fixed effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention.

Description of the reference numerals: 1. an outer rotor; 2. an inner rotor; 3. a shaft hole; 4. a rotating shaft; 5. a cavity; 6. A first magnetic part; 7. a clamping block; 11. an elastic member; 8. a first flow through hole; 9. a second flow through hole; 10. A third flow through hole; 12. a fourth flow opening; 13. a concave groove; 14. a second magnetic part; 15. a limiting groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

Referring to fig. 1-2, an energy-saving rotor structure includes an outer rotor 1, an inner rotor 2 sleeved inside the outer rotor 1, a shaft hole 3 formed inside the inner rotor 2, and a rotating shaft 4 fixedly connected inside the shaft hole 3.

A cavity 5 is formed in the outer rotor 1, a first magnetic part 6 is fixedly mounted on the inner wall of the cavity 5, a clamping block 7 is fixedly connected to the inner wall of the cavity 5, and an elastic part 11 is fixedly connected to one side of the clamping block 7; through the setting of elastic component 11, joint piece 7, concave groove 13 and spacing groove 15, cup joint external rotor 1 at internal rotor 2's outer wall, then carry out the joint through joint piece 7, spacing groove 15, concave groove 13 and elastic component 11 internal rotor 2 and external rotor 1, played fixed effect.

A first through hole 8 is formed in the inner part of the upper surface of the outer rotor 1, a second through hole 9 is formed in one side, close to the first through hole 8, of the inner part of the outer rotor 1, and a third through hole 10 is formed in one side, close to the first through hole 8, of the inner part of the outer rotor 1; through the arrangement of the first flow through hole 8, the concave groove 13, the limiting groove 15, the second flow through hole 9, the third flow through hole 10 and the fourth flow through hole 12, the cooling efficiency is effectively improved, an additional driving system, a circulating structure and the like are not required to be added, the size and the weight of a motor rotor can be effectively reduced, the motor efficiency is improved, the system power consumption can be reduced, and the energy-saving matching is facilitated.

A fourth circulation hole 12 is formed in the inner portion of the upper surface of the inner rotor 2, a concave groove 13 is formed in the outer wall of the inner rotor 2, a second magnetic part 14 is fixedly connected to the inner wall of the concave groove 13, and a limiting groove 15 is formed in one side, close to the concave groove 13, of the outer wall of the inner rotor 2.

One side of the elastic element 11 is movably connected with the inner rotor 2, the number of the second through holes 9 is a plurality, and the size of each second through hole 9 is the same.

The number of the first circulation holes 8 is a plurality, the size of each first circulation hole 8 is the same, the number of the fourth circulation holes 12 is a plurality, the size of each fourth circulation hole 12 is the same, and one end of the clamping block 7 is clamped in the limiting groove 15.

When the motor is used, the first circulation hole 8, the concave groove 13, the limiting groove 15, the second circulation hole 9, the third circulation hole 10 and the fourth circulation hole 12 are arranged, so that the cooling efficiency is effectively improved, an additional driving system, a circulating structure and the like are not required to be added, the size and the weight of a motor rotor can be effectively reduced, the motor efficiency is improved, the system power consumption can be reduced, and the energy-saving matching is facilitated; through the setting of elastic component 11, joint piece 7, concave groove 13 and spacing groove 15, cup joint outer rotor 1 at inner rotor 2's outer wall, then carry out the joint through joint piece 7, spacing groove 15, concave groove 13 and elastic component 11 to inner rotor 2 and outer rotor 1, played fixed effect.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An energy-saving rotor structure, includes outer rotor (1), its characterized in that: the inner rotor (2) is sleeved in the outer rotor (1), a shaft hole (3) is formed in the inner rotor (2), and a rotating shaft (4) is fixedly connected to the inner portion of the shaft hole (3).

2. An energy saving rotor structure according to claim 1, wherein: the outer rotor structure is characterized in that a cavity (5) is formed in the outer rotor (1), a first magnetic part (6) is fixedly mounted on the inner wall of the cavity (5), a clamping block (7) is fixedly connected to the inner wall of the cavity (5), and an elastic part (11) is fixedly connected to one side of the clamping block (7).

3. An energy saving rotor structure according to claim 2, wherein: a first flow through hole (8) is formed in the inner portion of the upper surface of the outer rotor (1), a second flow through hole (9) is formed in one side, close to the first flow through hole (8), of the inner portion of the outer rotor (1), and a third flow through hole (10) is formed in one side, close to the first flow through hole (8), of the inner portion of the outer rotor (1).

4. An energy saving rotor structure according to claim 3, wherein: a fourth circulation hole (12) is formed in the inner portion of the upper surface of the inner rotor (2), a concave groove (13) is formed in the outer wall of the inner rotor (2), a second magnetic part (14) is fixedly connected to the inner wall of the concave groove (13), and a limiting groove (15) is formed in one side, close to the concave groove (13), of the outer wall of the inner rotor (2).

5. An energy saving rotor structure according to claim 4, wherein: one side of the elastic piece (11) is movably connected with an inner rotor (2), the number of the second through holes (9) is several, and the size of each second through hole (9) is the same.

6. An energy saving rotor structure according to claim 5, wherein: the number of the first circulation holes (8) is several, the size of each first circulation hole (8) is the same, the number of the fourth circulation holes (12) is several, the size of each fourth circulation hole (12) is the same, and one end of the clamping block (7) is clamped in the limiting groove (15).