CN203660693U - Rotor structure of ship propulsion permanent magnet motor - Google Patents
Rotor structure of ship propulsion permanent magnet motor Download PDFInfo
- Publication number
- CN203660693U CN203660693U CN201420037198.6U CN201420037198U CN203660693U CN 203660693 U CN203660693 U CN 203660693U CN 201420037198 U CN201420037198 U CN 201420037198U CN 203660693 U CN203660693 U CN 203660693U
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- rotor
- permanent magnet
- ring
- baffle plate
- magnet motor
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Abstract
The utility model relates to a permanent magnet motor and specifically relates to a rotor structure of a ship propulsion permanent magnet motor. The rotor structure of the ship propulsion permanent magnet motor helps to solve the problems that for a conventional permanent magnet motor, the operation reliability is low, the capacity enlargement is limited, the air gap flux density is low, power density is low, and the structural strength is low. The rotor structure of the ship propulsion permanent magnet motor comprises a rotation shaft. The outer side face of the rotation shaft is fixedly equipped with an inner seal ring, a fan, a circular nut, a first rotor pressing ring, a rotor iron core, a second rotor pressing ring, and a balance disk. The outer side face of the first rotor pressing ring and the outer side face of the second rotor pressing ring are provided with N outer teeth circumferentially at equal distances. The outer ring of the end face of the rotor iron core is provided with N groups of magnetic steel grooves circumferentially at equal distances. Each group of magnetic steel groove is formed by four magnetic steel grooves in U-shaped symmetrical distribution. The rotor structure of the ship propulsion permanent magnet motor is suitable for a ship propulsion system.
Description
Technical field
The utility model relates to magneto, specifically a kind of Ship Propeling rotor structure for permanent magnet motor.
Background technology
Magneto because of its have simple in structure, volume is little, lightweight, loss is little, efficiency advantages of higher, and is widely used in marine propuision system.Practice shows, existing magneto is because self rotor structure is limit, the following problem of ubiquity: one, the rotor pressing ring of existing magneto all adopts round rotor trim ring.The compression joint area of round rotor trim ring is less, cause the tooth of rotor core to rise larger on the one hand, cause thus the operational reliability of motor lower, cause on the other hand under same volume, permanent magnet cross section cannot increase (being that magnet steel groove cannot increase), causes thus the capacity expansion of motor to be restricted.Its two, the rotor of existing magneto all adopts V-arrangement magnetic structure.V-arrangement magnetic structure causes every utmost point magnetic flux of rotor less on the one hand, causes thus the air gap flux density of motor and power density all lower, causes on the other hand the structural strength of rotor punching lower, causes thus the structural strength of motor lower.Based on this, be necessary to invent a kind of brand-new magneto, the problem that existing magneto operational reliability is lower to solve, capacity expansion is restricted, air gap flux density is lower, power density is lower, structural strength is lower.
Summary of the invention
The problem that existing magneto operational reliability is lower in order to solve for the utility model, capacity expansion is restricted, air gap flux density is lower, power density is lower, structural strength is lower, provides a kind of Ship Propeling rotor structure for permanent magnet motor.
The utility model is to adopt following technical scheme to realize: Ship Propeling rotor structure for permanent magnet motor, comprises rotating shaft; Wherein, the lateral surface of rotating shaft is fixedly equipped with internal sealed ring, fan, round nut, the first rotor trim ring, rotor core, the second rotor pressing ring, balancing frame after by forward direction successively; Round nut press-fits in the front end face of the first rotor trim ring; The first rotor trim ring press-fits the front end face inner ring in rotor core; The second rotor pressing ring press-fits the rear end face inner ring in rotor core; The front end face outer ring of rotor core is pressed with the first permanent magnet baffle plate; The rear end face outer ring of rotor core is pressed with the second permanent magnet baffle plate; The front end face inner ring of the first permanent magnet baffle plate is pressed with the first permanent magnet baffle plate trim ring; The rear end face inner ring of the second permanent magnet baffle plate is pressed with the second permanent magnet baffle plate trim ring; The first permanent magnet baffle plate, the first permanent magnet baffle plate trim ring are all fixedly assemblied in the lateral surface of the first rotor trim ring; The second permanent magnet baffle plate, the second permanent magnet baffle plate trim ring are all fixedly assemblied in the lateral surface of the second rotor pressing ring; The lateral surface of the first rotor trim ring, the lateral surface of the second rotor pressing ring are all along being circumferentially equidistantly provided with N external tooth; Rotor core is overrided to form by rotor punching; The end face outer ring of rotor core is along circumferentially equidistantly offering N group magnet steel groove; Every group of magnet steel groove is by four magnet steel groove compositions that take the shape of the letter U symmetrical, and the opening of this U-shaped outwardly; In each magnet steel groove, be all fixedly equipped with one group of permanent magnet; N is positive even numbers.
When work, by Ship Propeling rotor structure for permanent magnet motor described in the utility model and outer stator respective outer side edges, jointly form Ship Propeling magneto.Then, pass into three-phase alternating current to the stator coil of outside stator structure, three-phase alternating current produces rotating magnetic field thus.Under the effect of rotating magnetic field, rotor core is followed rotating magnetic field and is carried out synchronous rotary, and drives rotating shaft to carry out synchronous rotary, and rotating shaft promotes thus boats and ships and advances.Compared with existing magneto, Ship Propeling rotor structure for permanent magnet motor tool described in the utility model has the following advantages: one, Ship Propeling rotor structure for permanent magnet motor described in the utility model adopts profile of tooth rotor pressing ring.Compared with round rotor trim ring, the compression joint area of profile of tooth rotor pressing ring is larger, the tooth that has effectively reduced on the one hand rotor core rises, effectively improve thus the operational reliability of motor, make on the other hand under same volume, permanent magnet cross section effectively increases (being that magnet steel groove effectively increases), makes thus the capacity of motor expand unrestricted.Its two, Ship Propeling rotor structure for permanent magnet motor described in the utility model adopts four sections of U-shaped built-in magnetic line structures.Four sections of U-shaped built-in magnetic line structures have effectively increased every utmost point magnetic flux of rotor on the one hand, air gap flux density and the power density of motor are effectively improved thus, effectively improve on the other hand the structural strength of rotor punching, effectively improved thus the structural strength of motor.In sum, Ship Propeling rotor structure for permanent magnet motor described in the utility model is based on brand new, efficiently solve the problem that existing magneto operational reliability is lower, capacity expansion is restricted, air gap flux density is lower, power density is lower, structural strength is lower, thereby effectively improved the safety and reliability of vessel motion.
The utility model efficiently solves the problem that existing magneto operational reliability is lower, capacity expansion is restricted, air gap flux density is lower, power density is lower, structural strength is lower, is applicable to marine propuision system.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of rotor punching of the present utility model and permanent magnet.
Fig. 3 is the structural representation of rotor punching of the present utility model.
Fig. 4 is the structural representation of the first rotor trim ring of the present utility model.
In figure: 1-rotating shaft, 2-internal sealed ring, 3-fan, 4-round nut, 5-the first rotor trim ring, 6-rotor core, 7-the second rotor pressing ring, 8-balancing frame, 9-the first permanent magnet baffle plate, 10-the second permanent magnet baffle plate, 11-the first permanent magnet baffle plate trim ring, 12-the second permanent magnet baffle plate trim ring, 13-rotor punching, 14-magnet steel groove, 15-permanent magnet, 16-silicon rubber.
Embodiment
Ship Propeling rotor structure for permanent magnet motor, comprises rotating shaft 1; Wherein, the lateral surface of rotating shaft 1 is fixedly equipped with internal sealed ring 2, fan 3, round nut 4, the first rotor trim ring 5, rotor core 6, the second rotor pressing ring 7, balancing frame 8 after by forward direction successively; Round nut 4 press-fits in the front end face of the first rotor trim ring 5; The first rotor trim ring 5 press-fits the front end face inner ring in rotor core 6; The second rotor pressing ring 7 press-fits the rear end face inner ring in rotor core 6; The front end face outer ring of rotor core 6 is pressed with the first permanent magnet baffle plate 9; The rear end face outer ring of rotor core 6 is pressed with the second permanent magnet baffle plate 10; The front end face inner ring of the first permanent magnet baffle plate 9 is pressed with the first permanent magnet baffle plate trim ring 11; The rear end face inner ring of the second permanent magnet baffle plate 10 is pressed with the second permanent magnet baffle plate trim ring 12; The first permanent magnet baffle plate 9, the first permanent magnet baffle plate trim ring 11 are all fixedly assemblied in the lateral surface of the first rotor trim ring 5; The second permanent magnet baffle plate 10, the second permanent magnet baffle plate trim ring 12 are all fixedly assemblied in the lateral surface of the second rotor pressing ring 7; The lateral surface of the first rotor trim ring 5, the lateral surface of the second rotor pressing ring 7 are all along being circumferentially equidistantly provided with N external tooth; Rotor core 6 is overrided to form by rotor punching 13; The end face outer ring of rotor core 6 is along circumferentially equidistantly offering N group magnet steel groove 14; Every group of magnet steel groove 14 forms by four the symmetrical magnet steel grooves 14 that take the shape of the letter U, and the opening of this U-shaped outwardly; Each magnet steel groove 14 is interior is all fixedly equipped with one group of permanent magnet 15; N is positive even numbers.
When concrete enforcement, N=6.It is that the silicon steel sheet of 0.5mm is made that rotor punching 13 adopts thickness.The interior equal embedding of each magnet steel groove 14 has silicon rubber 16.When work, silicon rubber on the one hand can play the effect that is completely fixed permanent magnet, the impact shock that can utilize on the other hand self elasticity to effectively reduce motor operation time, permanent magnet bears.
Claims (2)
1. a Ship Propeling rotor structure for permanent magnet motor, is characterized in that: comprise rotating shaft (1); The lateral surface of wherein, rotating shaft (1) is fixedly equipped with internal sealed ring (2), fan (3), round nut (4), the first rotor trim ring (5), rotor core (6), the second rotor pressing ring (7), balancing frame (8) after by forward direction successively; Round nut (4) press-fits in the front end face of the first rotor trim ring (5); The first rotor trim ring (5) press-fits in the front end face inner ring of rotor core (6); The second rotor pressing ring (7) press-fits in the rear end face inner ring of rotor core (6); The front end face outer ring of rotor core (6) is pressed with the first permanent magnet baffle plate (9); The rear end face outer ring of rotor core (6) is pressed with the second permanent magnet baffle plate (10); The front end face inner ring of the first permanent magnet baffle plate (9) is pressed with the first permanent magnet baffle plate trim ring (11); The rear end face inner ring of the second permanent magnet baffle plate (10) is pressed with the second permanent magnet baffle plate trim ring (12); The first permanent magnet baffle plate (9), the first permanent magnet baffle plate trim ring (11) are all fixedly assemblied in the lateral surface of the first rotor trim ring (5); The second permanent magnet baffle plate (10), the second permanent magnet baffle plate trim ring (12) are all fixedly assemblied in the lateral surface of the second rotor pressing ring (7); The lateral surface of the first rotor trim ring (5), the lateral surface of the second rotor pressing ring (7) are all along being circumferentially equidistantly provided with N external tooth; Rotor core (6) is overrided to form by rotor punching (13); The end face outer ring of rotor core (6) is along circumferentially equidistantly offering N group magnet steel groove (14); Every group of magnet steel groove (14) is by four magnet steel grooves (14) composition that takes the shape of the letter U symmetrical, and the opening of this U-shaped outwardly; In each magnet steel groove (14), be all fixedly equipped with one group of permanent magnet (15); N is positive even numbers.
2. Ship Propeling rotor structure for permanent magnet motor according to claim 1, is characterized in that: in each magnet steel groove (14), all embedding has silicon rubber (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420037198.6U CN203660693U (en) | 2014-01-22 | 2014-01-22 | Rotor structure of ship propulsion permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420037198.6U CN203660693U (en) | 2014-01-22 | 2014-01-22 | Rotor structure of ship propulsion permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203660693U true CN203660693U (en) | 2014-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420037198.6U Expired - Fee Related CN203660693U (en) | 2014-01-22 | 2014-01-22 | Rotor structure of ship propulsion permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203660693U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746482A (en) * | 2014-01-22 | 2014-04-23 | 永济新时速电机电器有限责任公司 | Ship propelling permanent-magnetic motor rotor structure |
| CN104779726A (en) * | 2015-05-06 | 2015-07-15 | 南车株洲电力机车研究所有限公司 | Permanent magnet motor and rotor thereof |
| CN107623398A (en) * | 2016-07-15 | 2018-01-23 | 天津瑞林迪金属制品有限公司 | Rotor cover plate |
-
2014
- 2014-01-22 CN CN201420037198.6U patent/CN203660693U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746482A (en) * | 2014-01-22 | 2014-04-23 | 永济新时速电机电器有限责任公司 | Ship propelling permanent-magnetic motor rotor structure |
| CN104779726A (en) * | 2015-05-06 | 2015-07-15 | 南车株洲电力机车研究所有限公司 | Permanent magnet motor and rotor thereof |
| CN107623398A (en) * | 2016-07-15 | 2018-01-23 | 天津瑞林迪金属制品有限公司 | Rotor cover plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee after: CRRC YONGJI ELECTRIC CO., LTD. Address before: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee before: Yongji Xinshisu Motor Electrical Appliance Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20200122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |