CN210380423U - Permanent magnet four-pole three-phase synchronous generator rotor - Google Patents
Permanent magnet four-pole three-phase synchronous generator rotor Download PDFInfo
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- CN210380423U CN210380423U CN201921480302.8U CN201921480302U CN210380423U CN 210380423 U CN210380423 U CN 210380423U CN 201921480302 U CN201921480302 U CN 201921480302U CN 210380423 U CN210380423 U CN 210380423U
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Abstract
The utility model discloses a permanent magnet quadrupole three-phase synchronous generator rotor, which comprises a rotor core, a first permanent magnet, a second permanent magnet, a gland and a rotor shaft, wherein magnetic poles are respectively arranged in four directions of the rotor core, and the four magnetic poles are uniformly distributed around the axis of the rotor core; a magnet groove is reserved on each magnetic pole, and the section of each magnet groove is in a two-character shape; the magnet slots comprise a first permanent magnet slot and a second permanent magnet slot, the first permanent magnet slot and the second permanent magnet slot are arranged in parallel, and the width of the first permanent magnet slot positioned on the outer side is smaller than that of the second permanent magnet slot positioned on the inner side; the first permanent magnet is positioned in the first permanent magnet groove, and the second permanent magnet is positioned in the second permanent magnet groove. The utility model discloses a bar small volume permanent magnet arrangement of "two" font need not set up the whole permanent magnet of great volume, just can obtain higher magnetic pole middle magnetic flux density to can save rare earth material, the cost is lower, is convenient for popularize and use on a large scale.
Description
Technical Field
The utility model relates to a permanent magnet generator technical field, more specifically the utility model relates to a permanent magnetism quadrupole three-phase synchronous generator rotor that says so.
Background
The permanent magnet generator is a power generation device which converts mechanical energy converted from thermal energy into electric energy. First developed successfully by france.
In the current dc motor, an excitation method of generating a main pole magnetic field by a dc current is called current excitation; if permanent magnets are used instead of current excitation to produce the main pole field, such machines are referred to as permanent magnet motors.
The permanent magnet generator has the advantages of small volume, low loss, high efficiency and the like, and the research on the permanent magnet generator is very necessary nowadays when the energy conservation and the environmental protection are increasingly emphasized. Permanent magnet motors have been widely used in various fields such as household appliances, medical instruments, automobiles, aviation, national defense and the like with the continuous improvement and perfection of the performance of permanent magnet materials.
Among the permanent magnet generators, the rare earth permanent magnet generator has many advantages of small volume, light weight, large power, high efficiency, low temperature rise and the like, and is used in many power generation occasions. The rare earth permanent magnet motor is a novel permanent magnet motor appearing in the early 70 s, and has a series of advantages of small size, light weight, high efficiency, good characteristics and the like due to the high magnetic energy product and the high coercive force of the rare earth permanent magnet.
Because the rare earth permanent magnet material has excellent magnetic performance, a strong permanent magnetic field can be established without external energy after the rare earth permanent magnet material is magnetized, and the rare earth permanent magnet motor manufactured by replacing the electric excitation field of the traditional motor has high efficiency, simple structure, reliable operation, small volume and light weight. The motor not only can achieve the incomparable high performance of the traditional electric excitation motor, but also can be made into special motors which can meet the specific operation requirements, such as elevator traction motors, special motors for automobiles and the like. The rare-earth permanent magnet motor is combined with power electronic technology and microcomputer control technology, so that the performances of the motor and a transmission system are improved to a brand-new level. Therefore, the performance and the level of matched technical equipment are improved, and the method is an important development direction for adjusting the industrial structure in the motor industry.
The rare earth permanent magnet motor has a wide application range, and almost extends to various fields of aviation, aerospace, national defense, equipment manufacturing, industrial and agricultural production and daily life. The permanent magnet synchronous motor comprises a permanent magnet synchronous motor, a permanent magnet generator, a direct current motor, a brushless direct current motor, an alternating current permanent magnet servo motor, a permanent magnet linear motor, a special permanent magnet motor and a related control system, and almost covers the whole motor industry.
However, due to the high cost and the unreasonable design of the rare earth materials, the rare earth materials are wasted, and the cost of the permanent magnet generator is increased.
Therefore, the technical problem to be solved by those skilled in the art is how to provide a permanent magnet quadrupole three-phase synchronous generator rotor which reduces the amount of rare earth and improves the flux density in the middle of the rotor magnetic pole.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a permanent magnetism quadrupole three-phase synchronous generator rotor, the volume is littleer, adopts the bar small volume permanent magnet arrangement of "two" fonts, need not set up the whole permanent magnet of great volume, just can obtain higher magnetic pole middle magnetic flux density to can save rare earth material, the cost is lower, be convenient for use widely on a large scale.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a permanent magnet four-pole three-phase synchronous generator rotor comprises a rotor core, a first permanent magnet, a second permanent magnet, a gland and a rotor shaft, wherein magnetic poles are respectively arranged in four directions of the rotor core, and the four magnetic poles are uniformly distributed around the axis of the rotor core; a magnet groove is reserved on each magnetic pole, and the section of each magnet groove is in a two-character shape;
the magnet slots comprise a first permanent magnet slot and a second permanent magnet slot, the first permanent magnet slot and the second permanent magnet slot are arranged in parallel, and the width of the first permanent magnet slot positioned on the outer side is smaller than that of the second permanent magnet slot positioned on the inner side; the first permanent magnet is located in the first permanent magnet groove, and the second permanent magnet is located in the second permanent magnet groove.
Preferably, in the above rotor of a permanent magnet four-pole three-phase synchronous generator, the rotor core is formed by stamping and stacking silicon steel sheets.
Preferably, in the rotor of the permanent magnet four-pole three-phase synchronous generator, the rotor core is formed by stamping and stacking steel strips
Preferably, in the rotor of the permanent magnet four-pole three-phase synchronous generator, the first permanent magnet has a cross-sectional dimension of 55mm × 6 mm.
Preferably, in the rotor of the permanent magnet four-pole three-phase synchronous generator, the cross-sectional dimension of the second permanent magnet is 85mm × 7.5 mm.
Preferably, in the above rotor of a permanent magnet four-pole three-phase synchronous generator, the outer diameter of the rotor core is 163 mm.
Preferably, in the above rotor of a permanent magnet four-pole three-phase synchronous generator, two ends of the rotor core are provided with pressing covers, and the pressing covers fix the first permanent magnet in the first permanent magnet groove and the second permanent magnet in the second permanent magnet groove.
Preferably, in the rotor of the permanent magnet four-pole three-phase synchronous generator, the gland is made of a non-magnetic conductive material.
Preferably, in the rotor of the permanent magnet four-pole three-phase synchronous generator, the first permanent magnet and the second permanent magnet are made of rare earth neodymium iron boron magnetic steel and have the trademark of 45 SH.
According to the technical scheme, compare with prior art, the utility model discloses a permanent magnetism quadrupole three-phase synchronous generator rotor, the rotor adopts the permanent magnet arrangement mode of "two" font, has improved the magnetic flux density in the middle of the rotor magnetic pole, improves the generating efficiency by a wide margin.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is an assembly view of a rotor core, a first permanent magnet, a second permanent magnet and a gland in the present invention;
FIG. 2 is a cross-sectional view of the present invention;
fig. 3 is a top view of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses permanent magnetism quadrupole three-phase synchronous generator rotor, rotor adopt the permanent magnet arrangement mode of "two" fonts, have improved the magnetic flux density in the middle of the rotor magnetic pole, improve the generating efficiency by a wide margin.
The utility model discloses a permanent magnet quadrupole three-phase synchronous generator rotor, which comprises a rotor core 1, a first permanent magnet 2, a second permanent magnet 3, a gland 4 and a rotor shaft 7, wherein magnetic poles are respectively arranged in four directions of the rotor core 1, and the four magnetic poles are uniformly distributed around the axis of the rotor core 1; a magnet groove is reserved on each magnetic pole, and the section of each magnet groove is in a two-character shape;
the magnet slots comprise a first permanent magnet slot 5 and a second permanent magnet slot 6, the first permanent magnet slot 5 and the second permanent magnet slot 6 are arranged in parallel, and the width of the first permanent magnet slot 5 positioned on the outer side is smaller than that of the second permanent magnet slot 6 positioned on the inner side; the first permanent magnet 2 is located in the first permanent magnet slot 5 and the second permanent magnet 3 is located in the second permanent magnet slot 6.
In order to further optimize the technical scheme, the rotor core 1 is formed by stamping and stacking silicon steel sheets.
In order to further optimize the above technical solution, the rotor core 1 is formed by stamping and stacking steel strips
To further optimize the above solution, the cross-sectional dimension of the first permanent magnet 2 is 55mm x 6 mm.
To further optimize the above solution, the cross-sectional dimensions of the second permanent magnet 3 are 85mm × 7.5 mm.
In order to further optimize the above solution, the outer diameter of the rotor core 1 is 163 mm.
In order to further optimize the above technical solution, two ends of the rotor core 1 are provided with glands 4, and the glands 4 fix the first permanent magnet 2 located in the first permanent magnet groove 5 and the second permanent magnet 3 located in the second permanent magnet groove 6.
In order to further optimize the above technical solution, the gland 4 is made of non-magnetic material, such as aluminum, stainless steel.
In order to further optimize the technical scheme, the first permanent magnet 2 and the second permanent magnet 3 are made of rare earth neodymium iron boron magnetic steel with the trade mark of 45 SH.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
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 (9)
1. A permanent magnet four-pole three-phase synchronous generator rotor comprises a rotor core (1), a first permanent magnet (2), a second permanent magnet (3), a gland (4) and a rotor shaft (7), and is characterized in that magnetic poles are respectively arranged in four directions of the rotor core (1), and the four magnetic poles are uniformly distributed around the axis of the rotor core (1); a magnet groove is reserved on each magnetic pole, and the section of each magnet groove is in a two-character shape;
the magnet slots comprise a first permanent magnet slot (5) and a second permanent magnet slot (6), the first permanent magnet slot (5) and the second permanent magnet slot (6) are arranged in parallel, and the width of the first permanent magnet slot (5) positioned on the outer side is smaller than that of the second permanent magnet slot (6) positioned on the inner side; the first permanent magnet (2) is located in the first permanent magnet groove (5), and the second permanent magnet (3) is located in the second permanent magnet groove (6).
2. A permanent magnet quadrupole three phase synchronous generator rotor according to claim 1, wherein the rotor core (1) is stamped and stacked from silicon steel sheets.
3. A permanent magnet quadrupole three phase synchronous generator rotor according to claim 1, wherein the rotor core (1) is stamped and stacked from steel strip.
4. A permanent magnet quadrupole three phase synchronous generator rotor according to claim 1, wherein the cross-sectional dimensions of the first permanent magnets (2) are 55mm x 6 mm.
5. A permanent magnet quadrupole three phase synchronous generator rotor according to claim 1, wherein the cross-sectional dimensions of the second permanent magnets (3) are 85mm x 7.5 mm.
6. A permanent magnet quadrupole three phase synchronous generator rotor according to claim 1, characterized in that the outer diameter of the rotor core (1) is 163 mm.
7. A permanent magnet quadrupole three phase synchronous generator rotor according to claim 1, characterized in that the rotor core (1) is provided with glands (4) at both ends, the glands (4) fixing the first permanent magnet (2) in the first permanent magnet slot (5) and the second permanent magnet (3) in the second permanent magnet slot (6).
8. A permanent magnet quadrupole three-phase synchronous generator rotor according to claim 7, wherein the gland (4) is made of a non-magnetic material.
9. A rotor of a permanent magnet quadrupole three-phase synchronous generator according to claim 1, wherein the first permanent magnet (2) and the second permanent magnet (3) are made of rare earth neodymium iron boron magnetic steel with a mark number of 45 SH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921480302.8U CN210380423U (en) | 2019-09-06 | 2019-09-06 | Permanent magnet four-pole three-phase synchronous generator rotor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921480302.8U CN210380423U (en) | 2019-09-06 | 2019-09-06 | Permanent magnet four-pole three-phase synchronous generator rotor |
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| CN210380423U true CN210380423U (en) | 2020-04-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571956A (en) * | 2019-09-06 | 2019-12-13 | 福建飞森动力有限公司 | Permanent magnet four-pole three-phase synchronous generator rotor |
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2019
- 2019-09-06 CN CN201921480302.8U patent/CN210380423U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571956A (en) * | 2019-09-06 | 2019-12-13 | 福建飞森动力有限公司 | Permanent magnet four-pole three-phase synchronous generator rotor |
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Address after: 355000 No. 692 Xueyuan Road, Chengbei street, Fu'an City, Ningde City, Fujian Province Patentee after: Feisen Power Technology (Fujian) Co.,Ltd. Address before: 355000 Wangjiling Industrial Zone, Chengbei Street, Fuan City, Ningde City, Fujian Province Patentee before: FUJIAN FLYSEN POWER Co.,Ltd. |
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| CP03 | Change of name, title or address |