KR20060011095A - Vulgarity-hightorque electric motor - Google Patents

Vulgarity-hightorque electric motor Download PDF

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KR20060011095A
KR20060011095A KR1020040059779A KR20040059779A KR20060011095A KR 20060011095 A KR20060011095 A KR 20060011095A KR 1020040059779 A KR1020040059779 A KR 1020040059779A KR 20040059779 A KR20040059779 A KR 20040059779A KR 20060011095 A KR20060011095 A KR 20060011095A
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motor
reduction gear
gear
reduction
rotor
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KR1020040059779A
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Korean (ko)
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그린모텍(주)
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그린모텍(주)
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
    • H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

본 발명은 전동기 내부에 감속기어를 설치하여 회전수를 감속하여, 저속?고회전력을 얻고자 하였다. 기존의 감속전동기는 전동기 본체 외부에 감속기어를 부착하여 사용하고 있으나 본 발명은 전동기의 회전자 부분의 전기?자기적으로 불필요한 여유 공간에 감속기어를 설치하여 경량?소형화를 목표로 두고 있다.

본 발명은, 전동기의 회전자 내부에 감속기어를 효율적으로 설치하여 감속하도록 설계하였다. 즉, 전동기 내부에 링기어를 고정하고 전동기의 회전자의 회전력을 감속기어장치에 전달하여, 감속기어장치의 선기어와 결합된 출력측 캐리어를 감속?출력으로 이용하고 있다. 또한 감속비를 높이기 위하여 전동기 회전자 내부의 기어를 2단으로 설치하여 사용도 가능한 것이 특징이다.

결국, 본안은 전동기 내부의 회전자부분의 여유공간에, 경우에 따라서는 1차 감속기어장치뿐만 아니라, 2차, 3차 감속기어장치도 부착하여 보다 더 큰 감속비를 얻을 수 있도록 설계하였다는 것에, 그 의미가 있다 하겠다.

Figure 112004034036947-PAT00001

전동기, 브러쉬레스 직류전동기, 감속전동기, 감속기어장치, 유성기어

The present invention is to reduce the rotational speed by installing a reduction gear inside the motor, to obtain a low-speed, high rotational power. Conventional deceleration motors are used by attaching a reduction gear to the outside of the motor body, but the present invention aims to reduce the weight and size by installing a reduction gear in an electric and magnetically unnecessary free space of the rotor part of the motor.

The present invention is designed to reduce the speed by efficiently installing a reduction gear inside the rotor of the electric motor. In other words, the ring gear is fixed inside the motor, and the rotational force of the rotor of the motor is transmitted to the reduction gear unit, and the output side carrier coupled with the sun gear of the reduction gear unit is used as the deceleration / output. In addition, in order to increase the reduction ratio, the gear inside the motor rotor can be installed in two stages.

As a result, the present invention is designed to obtain a larger reduction ratio by attaching not only the primary reduction gear device but also the secondary and tertiary reduction gear devices in the free space of the rotor part inside the motor. That means.

Figure 112004034036947-PAT00001

Electric motor, Brushless DC motor, Deceleration motor, Reduction gear device, Planetary gear

Description

저속 고회전력 전동기 {Vulgarity-Hightorque electric motor}Low speed high rotational electric motor {Vulgarity-Hightorque electric motor}

도 1은 본 발명에 사용되는 저속 고회전력 전동기의 구조도1 is a structural diagram of a low speed high rotational electric motor used in the present invention

도 2는 저속 고회전력 전동기내에 설치되는 감속기어장치의 구조도2 is a structural diagram of a reduction gear device installed in a low speed high rotational electric motor;

도 3은 감속기어장치의 외형도3 is an external view of a reduction gear device

도 4는 출력측 캐리어의 외형도4 is an external view of an output side carrier

* 도 1과 도 2의 주요부분에 대한 부호의 설명* Explanation of symbols for the main parts of FIGS. 1 and 2

(1) : 링기어 (2) : 회전자(1): ring gear (2): rotor

(3)(4) : Flange (5) : 선기어 부착된 샤프트(입력) (3) (4): Flange (5): Shaft with sun gear (input)

(6) :영구자석 (7) : 고정자(6): permanent magnet (7): stator

(8) : 감속기어장치 (1차 캐리어) (9) : 출력측 캐리어 (8): Reduction gear device (primary carrier) (9): Output side carrier

(10) : 출력측 캐리어의 유성기어 (11) : 샤프트에 부착된 선기어(10): Planetary gear of output carrier (11): Sun gear attached to shaft

(12) : 감속기어장치의 선기어 (13) : 감속기어장치의 유성기어(12): Sun gear of reduction gear unit (13): Planetary gear of reduction gear unit

본 발명은 직류전동기 회전자(2) 내부에 선기어(11)를 부착한 샤프트(5)와 출력측 캐리어(9)사이에, 감속기어장치(8)를 부착하여, 선기어 부착 샤프트(5)를 감속기의 입력으로 이용하고 캐리어(9)에 동력을 전달하여 변속하는 구조로 되어있다.  According to the present invention, the reduction gear device 8 is attached between the shaft 5 having the sun gear 11 attached to the inside of the DC motor rotor 2 and the output carrier 9 so that the sun gear shaft 5 is reduced. It is used as an input of the gearbox and transmits power to the carrier 9 so as to shift.

종래의 감속 방식은 회전력을 높이기 위해서, 별도의 감속기어장치(8)를 전동기 외부에 부착하게 되어 패키지의 부피가 대형화 되고 설치공간을 많이 차지하게 되는 단점이 있다. 그리고, 필요 요구되는 감속비가 커질수록 외부에 부착되는 다단의 감속기어장치(8)의 부피가 증가하므로 한정된 공간에서는 설치에 제약을 받는다는 문제점이 발생한다. The conventional deceleration method has a disadvantage in that a separate reduction gear device 8 is attached to the outside of the motor in order to increase the rotational force, thereby increasing the volume of the package and taking up a lot of installation space. In addition, since the volume of the multistage reduction gear device 8 attached to the outside increases as the required reduction ratio increases, a problem arises in that the installation is restricted in a limited space.

본 발명의 저속 고회전력 전동기는 위와 같은 문제점을 해소하기 위해 고안한 것으로, 감속기어장치(8)를 사용하여 높은 회전력을 얻을 수 있도록 설계하였고, 높은 회전력을 발생시키면서 전동기의 크기가 작아 기존 방식에 비하여, 상대적으로 공간을 적게 차지하면서, 동시에 전동기의 무게를 감소시킬 수 있도록 설계 고안하는 것을 목적으로 하였다.  The low speed high rotational electric motor of the present invention is designed to solve the above problems, and is designed to obtain a high rotational force using the reduction gear device (8), while generating a high rotational force, the size of the motor is small in the existing method. In contrast, the present invention has been designed to reduce the weight of the motor while at the same time taking up less space.

즉, 전동기의 회전자(2)부분의 전기 자기적으로 불필요한 여유공간에 감속기어장치(8)를 부착함으로써, 전동기의 소형화 및 경량화를 지향하였다.  That is, by attaching the reduction gear device 8 to the electromagnetically unnecessary free space of the rotor 2 part of the electric motor, the motor was made smaller and lighter.

본 발명은, 전동기의 회전자(2)가 저속으로 회전하게 되어도, 캐리어(9)로부터는 높은 회전력이 발생하도록 하였는데, 선기어 부착 샤프트(5)의 선기어(11)가 회전을 하게 되면, 회전자(2)가 회전을 하게 되고, 선기어(11) 주위의 감속기어장치(8)의 유성기어(13)들이 하우징 내부의 회전자(2)부분에 고정된 링기어(1)내부를 자전과 공전을 하게 된다. 그리고, 이들 기어들의 기어비에 따라 회전자(2)의 회전력이 변속되어 출력측 캐리어(9)로 전달하게 된다. 이러한 작용으로, 선기어(11)는 저속 회전을 하게 되어도, 감속기어장치(8)의 큰 감속비에 의해, 높은 회전력을 발생시킬 수 있게 하였다. According to the present invention, even when the rotor 2 of the electric motor rotates at a low speed, a high rotational force is generated from the carrier 9. When the sun gear 11 of the shaft 5 with sun gear rotates, the rotor (2) is rotated, the planetary gear 13 of the reduction gear device (8) around the sun gear 11 is rotated and revolved inside the ring gear (1) fixed to the rotor (2) part of the housing Will be Then, the rotational force of the rotor 2 is shifted in accordance with the gear ratio of these gears and transmitted to the output side carrier 9. By this operation, even when the sun gear 11 is rotated at a low speed, it is possible to generate a high rotational force by a large reduction ratio of the reduction gear device 8.

본 전동기는 큰 감속비를 얻기 위해서 전동기 내부의 링기어(1)를 고정하였고, 링기어(1)안쪽에서 유성기어(13)(10)가 자전과 공전을 하도록 부착하여 설치하였다.  In order to obtain a large reduction ratio, the motor was fixed with a ring gear (1) inside the motor, and the planetary gears (13) and (10) were installed to be rotated and rotated inside the ring gear (1).

그리고, 전동기 내부의 회전자(2) 부분의 전기?자기적으로 필요없는 여유공간부분에 감속기어장치(8)를 설치하므로, 전동기의 크기가 작아지게 되고, 또한 무게도 그만큼 줄어들게 되어 설치공간에 제약을 받지 않게 되었다.In addition, since the reduction gear device 8 is installed in the free space part of the rotor 2 which is not necessary for the inside of the motor, the size of the motor is reduced, and the weight is reduced accordingly. It is not restricted.

본 발명의 저속?고회전력 전동기는 선기어 부착 샤프트(5)와 캐리어(9) 사이에 감속기어장치(8)를 설치함으로써, 선기어 부착 샤프트(5)와 감속기어장치(8)의 유성기어(13)에서 1차 감속을 하게 되고, 감속기어장치(8)의 선기어(12)와 출력측 캐리어(9)의 유성기어(10)에서 2차 감속을 하여 출력측 캐리어(9)로 출력하게 된다.   The low-speed and high-rotational electric motor of the present invention has a planetary gear 13 of the sun gear shaft 5 and the reduction gear device 8 by providing the reduction gear device 8 between the sun gear shaft 5 and the carrier 9. ) Is decelerated by the primary gear, and the secondary gear is decelerated by the sun gear 12 of the reduction gear device 8 and the planetary gear 10 of the output carrier 9 to be output to the output carrier 9.

결국, 본 전동기는 전동기 내부에, 경우에 따라서는 1차 감속기어장치(8)뿐만 아니라, 2차, 3차 감속기어장치도 설치하여 보다 필요에 따라, 더 큰 감속비를 얻을 수 있도록 한 것이 큰 특징이다.  As a result, this motor is installed in the motor, in some cases, not only the primary reduction gear device 8 but also the secondary and tertiary reduction gear devices so that a larger reduction ratio can be obtained if necessary. It is characteristic.

이하 첨부된 도면에 의해 설명을 하게 되면 다음과 같다.  When described with reference to the accompanying drawings as follows.

본 전동기는 하우징의 내부에 설치되는 고정자(7)와, 링기어(1), 그리고 회전자(2)의 회전력을 변속시켜 출력측 캐리어(9)로 출력을 전달하는 감속기어장치(8)와 유성기어(10)(13), 그리고 그 외주면에 부착된 영구자석(6)들로 이루어져 있다.  The motor has a stator 7 installed inside the housing, a ring gear 1, and a reduction gear device 8 that transmits the output to the output side carrier 9 by shifting the rotational force of the rotor 2 and a planetary planet. Gear 10, 13, and the permanent magnet (6) attached to the outer peripheral surface.

감속기어장치(8)는 선기어(12)와 유성기어(13)들로 구성되어 있는데, 선기어 부착 샤프트(5)측의 선기어(11)와 거기에 맞물리게 설치되어 자전과 공전을 하는 감속기어장치(8)의 유성기어(13), 그리고 감속기어장치(8)의 선기어(12)와 출력측 캐리어(9)의 유성기어(10)와 맞물리게 설치하여, 감속기어장치(8)에서 변속된 회전력을 출력하는 출력측 캐리어(9)로 구성된다.  The reduction gear device 8 is composed of a sun gear 12 and a planetary gear 13, which is installed to mesh with the sun gear 11 on the shaft 5 side of the sun gear attachment shaft 5 to rotate and revolve. 8, the planetary gear 13 of the reduction gear unit 8 and the planetary gear 10 of the output side carrier 9 are engaged with the planetary gear 13 of the reduction gear unit 8 to output the rotational force shifted by the reduction gear unit 8. Is composed of an output side carrier 9.

선기어(11)가 부착된 선기어 부착 샤프트(5)는 도1에서 보여주는 바와 같이, 하우징의 축구멍 외부로 노출이 되게 되어있고, 하우징 내부에 고정된 고정자(7)의 내부엔 감속기어장치(8)가 링기어(1)와 내접해서 설치되어 있다. 그리고 선기어(11)가 부착된 샤프트(5)는 감속기어장치(8)의 유성기어(13)들과 맞물려있고, 역시 하우징의 축구멍 외부로 노출이 되어 있는 출력측 캐리어(9)도 감속기어장치(8)의 선기어(12)와 출력측 캐리어(9)의 유성기어(10)와 맞물려 설치한다.   As shown in FIG. 1, the sun gear attachment shaft 5 to which the sun gear 11 is attached is exposed to the outside of the shaft hole of the housing, and the reduction gear device 8 is located inside the stator 7 fixed inside the housing. ) Is inscribed with the ring gear 1. The shaft 5 to which the sun gear 11 is attached is engaged with the planetary gears 13 of the reduction gear device 8, and the output side carrier 9, which is also exposed to the outside of the shaft hole of the housing, is also reduced gear device. (8) is installed in engagement with the sun gear 12 and the planetary gear 10 of the output side carrier (9).

선기어 부착 샤프트(5)에서 입력이 되면, 그 입력된 회전력이 감속기어장치(8)로 전달되어, 1차변속이 이루어진다. 여기서 변속이 이루어진 회전력이, 감속기어장치(8)의 선기어(12)와 맞물려진, 출력측 캐리어(9)의 유성기어(10)들과 공전과 자전을 하게 되면서 2차 변속이 이루어지게 되고, 2차변속이 된 회전력은 출력측 캐리어(9)로 전달되는 것이다.  When input from the sun gear shaft 5, the input rotational force is transmitted to the reduction gear device 8, the primary shift is made. Here, the rotational force that is shifted is made to revolve and rotate with the planetary gears 10 of the output carrier 9, which is engaged with the sun gear 12 of the reduction gear device 8, and the secondary shift is made. The rotational force at which the vehicle is shifted is transmitted to the output side carrier 9.

이상에서 서술한 바와 같이 본 발명은, 전동기의 내부에 설치?부착된 감속기어장 치(8)의 감속비에 의한 변속작용에 의해 높은 출력값을 얻을 수 있고,타 전동기보다 높은 감속비를 얻을 수 있는 장점과, 전동기를 소형?경량화 하여 제작할 수 있다. 또, 다수의 중간 감속기어장치를 설치하면, 보다 더 큰 감속비를 얻을 수 있다.  As described above, the present invention provides an advantage in that a high output value can be obtained by a shifting action by the reduction ratio of the reduction gear unit 8 installed and attached to the inside of the motor, and a higher reduction ratio can be obtained than other motors. The motor can be made compact and lightweight. In addition, when a plurality of intermediate reduction gear units are provided, a larger reduction ratio can be obtained.

Claims (2)

전동기 내부의 회전자(2)의 불필요한 여유공간에 링기어(1)를 고정?부착하여, 유성기어(10)(13)들이 링기어(1)에 내접하여 자전과 공전을 하게 하는 감속기어(8)설치법, 선기어(11)가 부착된 샤프트(5)와 출력측 캐리어(9)의 유성기어(10)의 사이에서, 중간에 서로 맞물리게 하여 변속을 하게 해주는 감속기어장치(8),  The reduction gear which fixes and attaches the ring gear 1 to unnecessary space of the rotor 2 inside the motor so that the planetary gears 10 and 13 are inscribed in the ring gear 1 to rotate and revolve ( 8) Installation method, between the shaft 5 to which the sun gear 11 is attached and the planetary gear 10 of the output side carrier 9, the reduction gear device 8 which is shifted by engaging with each other in the middle, 제 1항에 있어서 전동기의 내부에, 선기어(11)가 부착된 샤프트(5)와 출력측 캐리어(9)사이에 더 큰 감속비를 얻기 위해 한개 또는 다수개의 감속기어장치(8)를 설치함을 특징으로 하는 감속 직류 전동기,  A motor according to claim 1, characterized in that one or more reduction gear units (8) are provided inside the motor to obtain a larger reduction ratio between the shaft (5) to which the sun gear (11) is attached and the output carrier (9). Deceleration dc electric motor,
KR1020040059779A 2004-07-29 2004-07-29 Vulgarity-hightorque electric motor KR20060011095A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100697018B1 (en) * 2005-03-30 2007-03-20 엘지전자 주식회사 Motor and dishwasher using the same
CN102226463A (en) * 2011-05-25 2011-10-26 深圳市琛玛华夏科技有限公司 Novel speed reducer and speed reduction motor
CN102545469A (en) * 2012-01-19 2012-07-04 倪锦祥 Gear shifting motor
CN106972692A (en) * 2017-04-05 2017-07-21 中山市朗宇模型有限公司 A kind of transmission mechanism is built in the external rotor brushless reducing motor of stator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100697018B1 (en) * 2005-03-30 2007-03-20 엘지전자 주식회사 Motor and dishwasher using the same
CN102226463A (en) * 2011-05-25 2011-10-26 深圳市琛玛华夏科技有限公司 Novel speed reducer and speed reduction motor
CN102545469A (en) * 2012-01-19 2012-07-04 倪锦祥 Gear shifting motor
CN102545469B (en) * 2012-01-19 2014-08-06 倪锦祥 Gear shifting motor
CN106972692A (en) * 2017-04-05 2017-07-21 中山市朗宇模型有限公司 A kind of transmission mechanism is built in the external rotor brushless reducing motor of stator

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