KR20090084995A - Earthing structure of plastic packaged motor - Google Patents

Earthing structure of plastic packaged motor Download PDF

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Publication number
KR20090084995A
KR20090084995A KR1020080118651A KR20080118651A KR20090084995A KR 20090084995 A KR20090084995 A KR 20090084995A KR 1020080118651 A KR1020080118651 A KR 1020080118651A KR 20080118651 A KR20080118651 A KR 20080118651A KR 20090084995 A KR20090084995 A KR 20090084995A
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KR
South Korea
Prior art keywords
iron core
circuit board
control circuit
housing
stator iron
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KR1020080118651A
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Korean (ko)
Inventor
츄핑 루
Original Assignee
종샨 브로드-오션 모터 컴퍼니 리미티드
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Publication of KR20090084995A publication Critical patent/KR20090084995A/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/42—Means for preventing or reducing eddy-current losses in the winding heads, e.g. by shielding
    • 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
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

A ground structure of a plastic packaging motor is provided to improve reliability and stability by ejecting an unnecessary current and static electricity to an outer part of a motor through a ground part on a control circuit board. A ground structure includes a stator iron core(1), an insulation end part(8), a coil(2), and a housing(3). The insulation end part surrounds the stator iron core. The coil is wound in the insulation end part. The housing is formed by a plastic injection. A control circuit board(5) is arranged inside a chamber(4) of the housing. The stator iron core is connected to one end of a metal member(6). The other end of the metal member penetrates the housing, and is connected to a ground part of the control circuit board inside the chamber. The ground part of the control circuit board is drawn out outside the motor through a wire(7).

Description

플라스틱 패키징 전동기의 접지구조체{EARTHING STRUCTURE OF PLASTIC PACKAGED MOTOR}Grounding structure of plastic packaging motor {EARTHING STRUCTURE OF PLASTIC PACKAGED MOTOR}

본 발명은 플라스틱 패키징 전동기의 접지구조체에 관한 것이다. The present invention relates to a grounding structure of a plastic packaging motor.

종래의 직류 브러시레스 전동기는 정전기와 불필요한 전류를 제거하기 위하여 전동기 고정자의 접지구조체를 통하여 정전기와 불필요한 전류를 전동기 밖으로 제거하여 전동기의 정상적이고 안전한 작동을 확보한다. 금속단 커버를 갖는 일부 직류 브러시레스 전동기는 고정자 철심과 금속단 커버를 연결하여 고정자 철심에 형성된 정전기와 불필요한 전류를 금속단 커버를 통해 제거한다. 그러나 이러한 방법은 절연 하우징이 구비된 직류 브러시레스 전동기에 적용되지 않는다. Conventional direct current brushless motors remove static electricity and unnecessary current through the grounding structure of the motor stator to remove static electricity and unnecessary current to ensure normal and safe operation of the motor. Some DC brushless motors having a metal end cover connect the stator iron core and the metal end cover to remove static electricity and unnecessary current formed in the stator iron core through the metal end cover. However, this method does not apply to direct current brushless motors with an insulated housing.

고정자 접지의 목적은 a. 권선과 고정자 철심사이의 절연상태를 측정하여 전동기의 안전성을 모니터링하고 안전사고의 발생을 방지하며; b. EMC를 개선하여 정전기를 제거하기 위한 것이다. The purpose of stator grounding is to: a. To measure the insulation state between the winding and the stator core to monitor the safety of the motor and to prevent the occurrence of safety accidents; b. To improve the EMC to eliminate static electricity.

절연 하우징을 갖는 직류 브러시레스 전동기의 접지구조체는 일반적으로 구조가 복잡하고 제조원가가 높고, 설치사용이 번거로운 문제점이 있다. The grounding structure of a DC brushless electric motor having an insulating housing generally has a complicated structure, high manufacturing cost, and troublesome installation and use.

본 발명의 목적은 구조가 간단하고 합리하며 안전하고 신뢰도가 높으며 용이하게 제조할 수 있으며 원가가 낮은 플라스틱 패키징 전동기의 접지구조체를 제공하는데 있다. It is an object of the present invention to provide a grounding structure of a plastic packaging motor which is simple, reasonable, safe, reliable, easily manufactured and low in cost.

본 발명은 다음과 같이 구현된다. The present invention is implemented as follows.

본 발명에 따른 플라스틱 패키징 전동기의 접지구조체는 고정자 철심, 고정자 철심에 씌워진 절연단부, 절연단부에 감겨진 권선 및 상기 고정자 철심, 절연단부와 권선 상에 플라스틱 사출에 의해 형성된 하우징을 포함하며, 하우징의 챔버 내에 제어회로판이 설치되어 있다. 여기서 고정자 철심은 금속부재의 일단과 연결되며 금속부재의 다른 일단은 하우징을 관통하여 챔버 내에서 제어회로판상의 접지부와 연결된다. 본 발명은 금속부재 일단과 고정자 철심이 연결되고 금속부재가 하우징 내에 플라스틱 패키징되며 금속부재의 다른 일단이 제어회로판과 연결된 구성에 의해, 제어회로판상의 접지부에서 정전기와 불필요한 전류를 전동기 밖으로 제거할 수 있다. 본 발명은 구조가 간단하고 합리적이며 용이하게 실시할 수 있고 제조원가가 낮으며 안전하고 신뢰도가 높다.The grounding structure of the plastic packaging motor according to the present invention includes a stator iron core, an insulation end covered by the stator iron core, a winding wound on the insulation end, and a housing formed by plastic injection on the stator iron core, the insulation end and the winding, The control circuit board is installed in the chamber. Here, the stator iron core is connected to one end of the metal member and the other end of the metal member is connected to the ground portion on the control circuit board in the chamber through the housing. The present invention can remove static electricity and unnecessary current out of the motor at the ground portion on the control circuit board by the structure in which one end of the metal member and the stator iron core are connected, the metal member is plastically packaged in the housing, and the other end of the metal member is connected to the control circuit board. have. The present invention is simple in structure, reasonable and easy to implement, low in manufacturing cost, safe and high in reliability.

회로판상의 접지부는 도선을 통하여 전동기 밖으로 인출할 수 있어 용이하게 실시할 수 있고 편리하다. The grounding part on the circuit board can be drawn out of the motor through a conducting wire and can be easily carried out and is convenient.

도 1 및 도 2에 도시한 바와 같이, 본 발명은 고정자 철심(1), 고정자 철심(1)에 씌워진 절연단부(8), 절연단부(8)에 감겨진 권선(2) 및 고정자 철심(1), 절연단부(8) 및 권선(2) 상에 플라스틱 사출에 의해 형성된 하우징(3)을 포함하며, 하우징(3)의 챔버(4) 내에 제어회로판(5)이 설치되어 있다. 고정자 철심(1)은 금속부재(6)의 일단과 연결되며 금속부재(6)의 다른 일단은 하우징(3)을 관통하여 챔버(4) 내에서 제어회로판(5)상의 접지부와 연결된다. 제어회로판(5)상의 접지부는 도선(7)을 통하여 전동기밖으로 인출된다. As shown in Figs. 1 and 2, the present invention provides a stator iron core 1, an insulation end 8 covered by the stator iron core 1, a winding 2 wound around the insulation end 8, and a stator iron core 1 ), An insulating end 8 and a housing 3 formed by plastic injection on the winding 2, and a control circuit board 5 is provided in the chamber 4 of the housing 3. The stator iron core 1 is connected to one end of the metal member 6 and the other end of the metal member 6 is connected to the ground portion on the control circuit board 5 in the chamber 4 through the housing 3. The ground portion on the control circuit board 5 is drawn out of the motor via the conductive wire 7.

본 발명의 작동원리는 다음과 같다. 작동 과정에서 고정자 철심(1)에서 형성된 불필요한 전류는 금속부재(6)를 통하여 제어회로판(5)상의 접지부로 유입된 후 도선(7)을 거쳐 전동기 밖으로 제거된다. 아울러, 작동과정에서 생성된 정전기도 상기 회로를 통하여 제거할 수 있음은 물론이다. The operating principle of the present invention is as follows. Unnecessary current formed in the stator iron core 1 during the operation flows into the ground portion on the control circuit board 5 through the metal member 6 and then is removed out of the motor via the conductor 7. In addition, the static electricity generated during the operation can also be removed through the circuit.

도 1은 본 발명에 따른 플라스틱 패키징 전동기의 접지구조체의 단면도이다. 1 is a cross-sectional view of a grounding structure of a plastic packaging motor according to the present invention.

도 2는 도 1의 A-A의 확대도이다. FIG. 2 is an enlarged view of A-A of FIG. 1.

Claims (2)

고정자 철심(1)과, 상기 고정자 철심(1)에 씌워진 절연단부(8)와, 상기 절연단부(8)에 감겨진 권선(2)과, 상기 고정자 철심(1), 상기 절연단부(8) 및 상기 권선(2)에 플라스틱 사출에 의해 형성된 하우징(3)을 포함하며, 상기 하우징(3)의 챔버(4) 내에 제어회로판(5)이 설치되어 있는 플라스틱 패키징 전동기의 접지구조체로서, The stator iron core 1, the insulation end 8 covered by the stator iron core 1, the winding 2 wound around the insulation end 8, the stator iron core 1 and the insulation end 8 And a housing (3) formed by plastic injection in the winding (2), wherein the control circuit board (5) is installed in the chamber (4) of the housing (3) as a grounding structure of the plastic packaging motor. 상기 고정자 철심(1)은 금속부재(6)의 일단과 연결되고, 상기 금속부재(6)의 다른 일단은 상기 하우징(3)을 관통하여 상기 챔버(4) 내에서 상기 제어회로판(5)의 접지부와 연결된 것을 특징으로 하는 플라스틱 패키징 전동기의 접지구조체. The stator iron core 1 is connected to one end of the metal member 6, and the other end of the metal member 6 penetrates through the housing 3 to allow the control circuit board 5 to be disposed within the chamber 4. The grounding structure of the plastic packaging motor, characterized in that connected to the ground. 제1항에 있어서, The method of claim 1, 상기 제어회로판(5)의 접지부는 도선(7)을 통하여 전동기의 외부로 인출되는 것을 특징으로 하는 플라스틱 패키징 전동기의 접지구조체. The grounding structure of the plastic packaging motor, characterized in that the ground portion of the control circuit board (5) is drawn out of the motor through the conductive wire (7).
KR1020080118651A 2008-02-02 2008-11-27 Earthing structure of plastic packaged motor KR20090084995A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNU2008200439377U CN201160251Y (en) 2008-02-02 2008-02-02 Grounding structure of plastic packaging generator
CN200820043937.7 2008-02-02

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KR20090084995A true KR20090084995A (en) 2009-08-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101508637B1 (en) * 2013-11-12 2015-04-08 주식회사 세턴 Motor for decreasing emi

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101860125B (en) * 2010-06-08 2012-05-30 卧龙电气集团股份有限公司 Plastic sealed servo motor for sewing machine
CN104600893B (en) * 2014-12-29 2018-03-06 卧龙电气集团股份有限公司 A kind of plastic packaging motor with installation foot ground structure
CN104836386A (en) * 2015-05-28 2015-08-12 湖州越球电机有限公司 Grounding device and grounding method of plastic packaged motor
CN112217347A (en) * 2019-07-11 2021-01-12 捷温有限责任公司 Electric motor and electric device comprising such a motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101508637B1 (en) * 2013-11-12 2015-04-08 주식회사 세턴 Motor for decreasing emi

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