KR200336191Y1 - Secession preventing unit of permanent magnet of surface permanent magnet type motor - Google Patents
Secession preventing unit of permanent magnet of surface permanent magnet type motor Download PDFInfo
- Publication number
- KR200336191Y1 KR200336191Y1 KR20-2003-0030840U KR20030030840U KR200336191Y1 KR 200336191 Y1 KR200336191 Y1 KR 200336191Y1 KR 20030030840 U KR20030030840 U KR 20030030840U KR 200336191 Y1 KR200336191 Y1 KR 200336191Y1
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- Prior art keywords
- permanent magnet
- end plate
- rotor
- motor
- surface permanent
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
본 고안은 표면 영구자석형 전동기의 영구자석 이탈방지 장치에 관한 것이다.The present invention relates to a permanent magnet departure prevention device of the surface permanent magnet motor.
종래의 표면 영구자석형 전동기의 회전자는 영구자석의 이탈을 방지하기 위하여 회전자의 철심코어에 접착제를 바르는 본딩처리 방법과 본딩처리 후 다시 유리 섬유사(글라스 파이버 원사)로 감싸는 방법을 사용한바 상기 방법은 고속회전 시 및 온도상승 등의 영향으로 회전자의 영구자석이 이탈될 뿐만 아니라 제조공정이 복잡하고 본딩 경화시간이 길어 생산성이 저하되는 문제점이 있었다.The rotor of the conventional surface permanent magnet motor uses a bonding treatment method of applying an adhesive to the iron core of the rotor to prevent detachment of the permanent magnet and a method of wrapping the glass fiber yarn (glass fiber yarn) again after the bonding treatment. The method has a problem that not only the permanent magnet of the rotor is released due to the effects of high speed and temperature rise, but also the manufacturing process is complicated and the bonding hardening time is long, resulting in low productivity.
본 고안은 상기의 문제점을 해결하고자 안출한 것으로, 표면 영구자석형 전동기는 회전자 몸체(1)의 회전축(2)에 형성된 철심코어(3)의 외측에 세그먼트(segment) 영구자석(4)의 N극과 S극을 정열 배열하고, 상기 영구자석(4)을 고정하기 위하여 황동(신주)이나 알루미늄 또는 PP(Poly Propylene)로 된 덮개 형상의 앤드 플레이트(end-plate)(5)를 장착하되, 상기 PP로 된 양측의 앤드 플레이트(5)를 일체형으로 형성할 수 있으며 또한 상기 앤드 플레이트(5)에는 내부 고열을 냉각시키는 냉각장치 역할을 하는 다수의 날개(5a)와 공기 흐름을 유도하는 통공부(5b)를 갖는 구조로 구성되어 있는바, 본 고안은 표면 영구자석형 전동기에 설치된 회전자가 고속회전 할 때 상기 앤드 플레이트(5)가 영구자석(4)의 이탈을 방지할 뿐만 아니라 내부 온도를 낮추고 제조원가의 인하 절감 등 생산성 향상의 특징이 있는 것이다.The present invention has been made to solve the above problems, the surface permanent magnet electric motor of the segment permanent magnet (4) on the outside of the iron core core (3) formed on the rotating shaft (2) of the rotor body (1) In order to align the N pole and the S pole, and to fix the permanent magnet (4), a cover-shaped end plate (end-plate) 5 made of brass (Honju), aluminum, or PP (Poly Propylene) is mounted. In addition, the end plate 5 of both sides of the PP may be integrally formed, and the end plate 5 may include a plurality of vanes 5a serving as a cooling device for cooling the internal high temperature, and a cylinder for inducing air flow. Consists of a structure having a study (5b), the present invention is not only to prevent the end plate (5) from detaching the permanent magnet 4 when the rotor installed in the surface permanent magnet type motor rotates at a high speed as well as the internal temperature Cost reduction and lower manufacturing costs This is a characteristic of productivity improvement.
Description
본 고안은 표면 영구자석형 전동기의 영구자석 이탈방지 장치에 관한 것으로, 종래의 표면 영구자석형 전동기의 회전자는 영구자석(permanent magnet)의 이탈을 방지하기 위하여 회전자 철심에 접착제를 바르는 본딩처리(bonding) 방법과 본딩처리 후 다시 유리 섬유사(글라스 파이버 원사)로 감싸는 방법을 사용한바, 이러한 방법은 3000RPM 이상의 고속회전 시와 온도상승 등의 영향에 의해 상기 회전자의 영구자석이 이탈될 수 있을 뿐만 아니라 상기한 본딩처리 및 유리 섬유사작업 등의 제조공정이 복잡하고, 본딩 경화시간이 길며 생산성이 저하되는 등으로 인하여 전동기의 고장 발생과 원가상승을 야기하는 문제점이 있었다.The present invention relates to a permanent magnet separation prevention device of the surface permanent magnet motor, the rotor of the conventional surface permanent magnet motor is bonded to the core of the rotor in order to prevent the separation of the permanent magnet (bonding) bonding) and the method of wrapping it with glass fiber yarn (glass fiber yarn) after bonding process. This method may cause the permanent magnet of the rotor to be dislodged by high speed rotation of 3000RPM or higher temperature. In addition, the manufacturing process such as the above bonding process and glass fiber yarn work is complicated, there is a problem that causes the failure of the motor and the cost increase due to long bonding hardening time and productivity is reduced.
본 고안은 사기의 문제점을 해결하고자 고안한 것으로서, 이의 고안 요지는 표면 영구자석형 전동기의 회전자 몸체(1)의 철심코어(3) 외측에 세그먼트(segment) 영구자석(permanent magnet)(4)의 N극과 S극을 정열 배열하고, 상기 영구자석(4)을 고정하기 위한 황동(신주)이나 알루미늄 또는 PP(Poly Propylene)를 성형하여 만든 덮개 형상으로 된 앤드 플레이트(end plate)(5)를 형성하여 고정시키는 방법을 특징으로 할뿐만 아니라 상기 PP로 된 좌우 양측의 앤드 플레이트(5)를 일체형으로사출성형하고, 또한 상기 앤드 플레이트(5)에는 내부 고열을 냉각시키는 다수의 날개(5a)와 공기 흐름을 유도하는 통공부(5b)를 갖는 구조로 구성되어 있는 것이다.The present invention is designed to solve the problem of fraud, the subject of the invention is a segment permanent magnet (4) outside the iron core core (3) of the rotor body (1) of the surface permanent magnet motor End plate (5) in the form of a cover formed by arranging the N poles and the S poles of the anode and molding brass or new aluminum or polypropylene (PP) to fix the permanent magnets (4). And a plurality of vanes 5a for integrally injection molding the end plates 5 on both the left and right sides of the PP and integrally cooling the internal high temperature in the end plate 5. And a through portion 5b for inducing air flow.
도 1은 본 고안의 분해 사시도1 is an exploded perspective view of the present invention
도 2는 도 1의 별도 실시예의 분해 사시도2 is an exploded perspective view of another embodiment of FIG.
도 3은 본 고안의 냉각팬이 형성된 별도 분해 사시도3 is a separate exploded perspective view of a cooling fan of the present invention
도 4는 본 고안의 조립 사시도4 is an assembled perspective view of the present invention
도 5는 본 고안의 일체형 조립 사시도5 is an integrated assembly perspective view of the present invention
※ 도면의 주요부분에 대한 부호의 설명※ Explanation of code for main part of drawing
1-몸체 2-회전축 2a-널링부(knurling부)1-body 2-rotation shaft 2a-knurling part
3-철심코어 4-영구자석 5-앤드 플레이트(end plate)3-core core 4-permanent magnet 5-end plate
5a-날개 5b-통공부 6-부싱(bushing) 7-베어링5a-wing 5b-hole 6-bushing 7-bearing
이를 도면에 의거하여 상세하게 설명하면 다음과 같다.This will be described in detail with reference to the drawings as follows.
도 1은 표면 영구자석형 전동기의 회전자 몸체(1)에 구성된 철심코어(core)(3)의 외측에 다수의 세그먼트 영구자석(segmented permanent magnet)(4)의 N극과 S극을 정열 배열하되, 상기한 영구자석(4)을 고정하기 위하여 황동(신주)이나 알루미늄 또는 PP(Poly Propylene)를 성형하여 만든 덮개 형상으로 된 앤드 플레이트(end plate)(5)를 상기 영구자석(4)의 자극 사이에 형성하여 상기한 영구자석(4)을 고정시킨 것이고, 도 2는 상기 영구자석(4)으로 감싸진 철심코어(3)와 상기한 좌우측 앤드 플레이트(5) 사이에 형성된 널링부(Knurling)(2a) 대신에 부싱(6)을 장착시킴으로서, 앤드 플레이트(5)가 상기 코어(3)에 밀착되게 한 것이고, 도 3은 상기 영구자석형 전동기의 회전자 몸체(1)가 3000RPM 이상의 고속회전 시에 발생하는 내부의 높은 온도를 냉각시키고자 상기한 앤드 플레이트(5)에 "ㄷ"자 형상으로 통공부(5b)를 뚫은 것이고, 도 4, 도 5는 상기 PP로 된 좌우 양측의 분리형 앤드 플레이트(5)를 일체형으로 사출 성형하되 도 4는 철심코어(3) 외주에 다수의 세그먼트 영구자석(4)이 고정된 것이고, 도 5는 양측 앤드 플레이트(5)가 일체형으로 완전 밀착 형성한 것이다.1 shows an arrangement of the N poles and the S poles of a plurality of segmented permanent magnets 4 on the outside of an iron core 3 formed in the rotor body 1 of the surface permanent magnet motor. However, in order to fix the permanent magnet (4), an end plate (end plate) 5 having a cover shape made by molding brass (Honju) or aluminum or polypropylene (PP) is formed of the permanent magnet (4). It is formed between the magnetic poles to fix the permanent magnet (4), Figure 2 is a knurling (Knurling) formed between the iron core core (3) and the left and right end plate (5) wrapped with the permanent magnet (4) By mounting the bushing 6 instead of 2a, the end plate 5 is brought into close contact with the core 3, and FIG. 3 shows that the rotor body 1 of the permanent magnet motor has a high speed of 3000 RPM or more. To the end plate 5 described above to cool the internal high temperature generated at the time of rotation. The through hole 5b is formed in a "c" shape, and FIGS. 4 and 5 are integrally injection-molded the separate end plate 5 on both the left and right sides of the PP, but FIG. 4 is formed on the outer circumference of the core core 3. A large number of segment permanent magnets 4 are fixed, and in FIG. 5, both end plates 5 are integrally formed to be in close contact with each other.
상기한 바와 같이 본 고안은 표면 영구자석형 전동기의 영구자석 이탈방지 장치인바, 종래의 회전자 철심코어에 바르는 본딩처리 방법 및 유리 섬유사로 감싸는방법 대신에 황동(신주)이나 알루미늄 또는 PP로 만든 덮개 형상의 앤드 플레이트(end plate)(5)를 영구자석(4)에 설치하되, 상기 앤드 플레이트(5)에는 다수의 날개(5a)와 통공부(5b)를 형성하고 또한 부싱(6)을 장착함으로서, 전동기 회전자의 고속회전 시에도 영구자석(4)의 이탈을 방지하고, 내부의 고온을 저하시킬 뿐만 아니라 제조공정이 간단하여 생산성을 향상시키는 것이다.As described above, the present invention is a device for preventing permanent magnet detachment of a surface permanent magnet type electric motor. Instead of a bonding method applied to a conventional rotor core core and a method of wrapping with fiberglass yarns, a cover made of brass (Hsinchu), aluminum, or PP is used. An end plate 5 having a shape is installed in the permanent magnet 4, and the end plate 5 is formed with a plurality of wings 5a and a through hole 5b, and a bushing 6 is mounted. By doing so, even when the motor rotor rotates at high speed, the permanent magnet 4 is prevented from being separated, the internal high temperature is lowered, and the manufacturing process is simple, thereby improving productivity.
이상과 같이 본 고안은 회전축(2)에 형성된 철심코어(3)의 외측에 세그먼트 영구자석(4)의 N극과 S극을 정열 배열하는 상기 영구자석(4)을 고정하기 위하여 황동이나 알루미늄 또는 PP로 된 덮개 형상의 앤드 플레이트(5)를 장착하고, 앤드 플레이트(5)의 내부에는 내부의 고열을 냉각시키는 날개(5a)와 통공부(5b)를 형성하였기 때문에 상기 영구자석의 이탈을 방지함으로서 원가절감 등 생산성 향상에 크게 기여할 수 있다.As described above, the present invention is made of brass or aluminum to fix the permanent magnets 4 to align the N poles and the S poles of the segment permanent magnets 4 to the outside of the iron core core 3 formed on the rotating shaft 2. The lid-shaped end plate 5 made of PP is mounted, and the vane 5a and the through hole 5b are formed inside the end plate 5 to cool the high heat therein, thereby preventing the permanent magnet from being separated. By doing so, it can greatly contribute to productivity improvement such as cost reduction.
Claims (3)
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KR20-2003-0030840U KR200336191Y1 (en) | 2003-09-30 | 2003-09-30 | Secession preventing unit of permanent magnet of surface permanent magnet type motor |
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KR20-2003-0030840U KR200336191Y1 (en) | 2003-09-30 | 2003-09-30 | Secession preventing unit of permanent magnet of surface permanent magnet type motor |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101104240B1 (en) * | 2010-05-06 | 2012-01-11 | 전자부품연구원 | Cooling System For Motor |
WO2013047979A1 (en) * | 2011-09-27 | 2013-04-04 | New Motech Co.,Ltd. | Rotor for motor |
-
2003
- 2003-09-30 KR KR20-2003-0030840U patent/KR200336191Y1/en not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101104240B1 (en) * | 2010-05-06 | 2012-01-11 | 전자부품연구원 | Cooling System For Motor |
WO2013047979A1 (en) * | 2011-09-27 | 2013-04-04 | New Motech Co.,Ltd. | Rotor for motor |
US9369013B2 (en) | 2011-09-27 | 2016-06-14 | New Motech Co., Ltd. | Rotor for motor |
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