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KR20000003671U - Grounding structure of the motor - Google Patents

Grounding structure of the motor Download PDF

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Publication number
KR20000003671U
KR20000003671U KR2019980013939U KR19980013939U KR20000003671U KR 20000003671 U KR20000003671 U KR 20000003671U KR 2019980013939 U KR2019980013939 U KR 2019980013939U KR 19980013939 U KR19980013939 U KR 19980013939U KR 20000003671 U KR20000003671 U KR 20000003671U
Authority
KR
South Korea
Prior art keywords
printed circuit
circuit board
copper foil
exposed copper
motor
Prior art date
Application number
KR2019980013939U
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Korean (ko)
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KR200203699Y1 (en
Inventor
유진승
Original Assignee
송재인
엘지정밀 주식회사
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Priority to KR2019980013939U priority Critical patent/KR200203699Y1/en
Publication of KR20000003671U publication Critical patent/KR20000003671U/en
Application granted granted Critical
Publication of KR200203699Y1 publication Critical patent/KR200203699Y1/en

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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/0213Electrical arrangements not otherwise provided for
    • H05K1/0216Reduction of cross-talk, noise or electromagnetic interference
    • H05K1/0218Reduction of cross-talk, noise or electromagnetic interference by printed shielding conductors, ground planes or power plane
    • H05K1/0224Patterned shielding planes, ground planes or power planes
    • H05K1/0225Single or multiple openings in a shielding, ground or power plane
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/18Printed circuits structurally associated with non-printed electric components
    • H05K1/182Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
    • H05K1/184Components including terminals inserted in holes through the printed circuit board and connected to printed contacts on the walls of the holes or at the edges thereof or protruding over or into the holes

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

본 고안은 모터의 접지구조에 관한 것으로, 베어링 하우징 안착을 위하여 인쇄회로 기판에 형성된 중앙홀 주위에 솔더레지스터를 제거한 노출동박을 형성하고, 상기 노출동박에 인쇄회로기판 상의 접지부와 패턴으로 연결하여 인쇄회로 기판상의 접지부가 상기 노출동박에 안착된 베어링하우징을 통하여 인쇄회로기판의 밑면 메탈부와 전기적으로 도통되도록 형성함으로써 부품절감으로 인한 원가절감 및 작업공수를 줄일 수 있는 매우 뛰어난 효과가 있다.The present invention relates to a grounding structure of a motor, and forms an exposed copper foil from which a solder resist is removed around a central hole formed in a printed circuit board for seating a bearing housing, and connects the exposed copper foil in a pattern with a ground portion on a printed circuit board. The grounding part on the printed circuit board is formed to be electrically connected to the bottom metal part of the printed circuit board through the bearing housing seated on the exposed copper foil, thereby reducing the cost and labor due to component reduction.

Description

모터의 접지구조Grounding structure of the motor

본 고안은 모턴의 접지구조에 관한 것으로, 특히 베어링 하우징 안착을 위하여 인쇄회로 기판에 형성된 중앙홀 주위에 솔더레지스터를 제거한 노출동박을 형성하고, 상기 노출동박에 인쇄회로기판 상의 접지부와 패턴으로 연결하여 인쇄회로 기판상의 접지부가 상기 노출동박에 안착된 베어링하우징을 통하여 인쇄회로기판의 밑면 메탈부와 전기적으로 도통되도록 형성함으로써 부품절감으로 인한 원가절감 및 작업공수를 줄인 모터의 접지구조에 관한 것이다.The present invention relates to the grounding structure of the moton, and in particular, to form an exposed copper foil without the solder resist around the center hole formed in the printed circuit board for seating the bearing housing, the exposed copper foil is connected to the ground portion on the printed circuit board in a pattern The present invention relates to a motor grounding structure in which a ground part on a printed circuit board is electrically connected to the bottom metal part of a printed circuit board through a bearing housing seated on the exposed copper foil, thereby reducing cost and labor due to component reduction.

일반적으로 모터는, 고정자의 내경면에 구비된 회전자의 회전에 의한 동력으로 다른 제품의 구동력을 인가하여 원하는 작업을 수행할 수 있도록 하는 데, 이때 상기 회전자는 회전자 코어 및 회전축으로 구성되어 이루어진다.In general, the motor, by applying the driving force of another product by the power of the rotation of the rotor provided on the inner diameter surface of the stator to perform a desired operation, wherein the rotor is composed of a rotor core and a rotating shaft .

상기 기능을 수행하는 종래 모터에 대해 첨부도면을 참조하여 설명하면 다음과 같다.Referring to the accompanying drawings, a conventional motor that performs the above function is as follows.

도 1은 종래 기술에 따른 모터의 접지구조를 나타낸 단면도이고, 도 2는 종래 모터의 인쇄회로 기판의 패턴 형상도이다.1 is a cross-sectional view showing a grounding structure of a motor according to the prior art, and FIG. 2 is a pattern shape diagram of a printed circuit board of the conventional motor.

통상적으로, 모터는 크게 고정자와 회전자로 구분지을 수 있다.Typically, motors can be broadly divided into stators and rotors.

상기 회전자는 도 1에 도시된 바와 같이, 디스크를 안착하기 위한 턴테이블(50)과, 다극 착자된 구동 마그네트(32)와, 상기 구동 마그네트(32)의 자로를 형성해주는 로터 요크(30)로 구성된다.As shown in FIG. 1, the rotor includes a turntable 50 for seating a disk, a driving magnet 32 multi-pole magnetized, and a rotor yoke 30 forming a magnetic path of the driving magnet 32. do.

상기 고정자는, 회전축(10)의 원활한 회전을 위한 베어링(44)이 압입되는 베어링하우징(40)과, 상기 베어링하우징(40)에 내경이 접착되어 있으며 코일이 감겨져 있는 코어(42)와, 칩부품(22)을 실장하고 있는 인쇄회로기판(20)으로 이루어진다.The stator includes a bearing housing 40 into which a bearing 44 for smooth rotation of the rotating shaft 10 is press-fitted, a core 42 having an inner diameter bonded to the bearing housing 40, and a coil wound thereon, and a chip. It consists of a printed circuit board 20 in which the component 22 is mounted.

상기 인쇄회로기판(20)은 도 2에 도시된 바와 같이, 인쇄회로기판(20)의 밑면에 형성된 메탈과의 접지를 위하여 상기 인쇄회로기판(20)상에 홀(Hole)이 형성되어 있고 상기 홀 주위에 접지와 연결된 노출동박(72)이 형성되어 있다. 상기 노출동박(72)은 솔더레지스터가 인쇄되지 않은 동박으로써, 인쇄회로기판(20)의 밑면에 형성된 메탈과의 접속을 위해 도전체로 이루어진 접지용판(24)을 사용하여 리벳(26) 등으로 연결하여 사용하였다.As shown in FIG. 2, the printed circuit board 20 has a hole formed on the printed circuit board 20 for grounding with a metal formed on the bottom surface of the printed circuit board 20. An exposed copper foil 72 connected to the ground is formed around the hole. The exposed copper foil 72 is a copper foil without a solder resist, and is connected to the rivet 26 by using a ground plate 24 made of a conductor for connection with a metal formed on the bottom surface of the printed circuit board 20. Was used.

상기 회전자와 고정자로 구성된 종래의 모터는, 회전자에 포함된 N, S로 다극착자된 마그네트(32)와, 고정자에 포함된 권선이 된 코아(42)에 인쇄회로기판(20)에 착설되어 있는 집적회로가 교번 전류를 공급해 줌으로써 모터는 회전을 하게 된다.The conventional motor composed of the rotor and the stator is mounted on the printed circuit board 20 in a magnet 32 multi-pole magnetized by N and S included in the rotor, and a core 42 which is a winding included in the stator. The motor rotates as the integrated circuit supplies alternating current.

상기 모터의 회전시 발생하는 노이즈(noice) 및 발진 등을 개선을 하기 위하여, 종래 모터의 구조에서는 인쇄회로기판(20) 상의 패턴 접지부를 상기 인쇄회로기판(20)의 밑면에 형성된 메탈과 연결시킴으로써 접지시켰다.In order to improve noise and oscillation generated when the motor rotates, in the structure of the conventional motor, by connecting the pattern ground portion on the printed circuit board 20 with the metal formed on the bottom surface of the printed circuit board 20. Grounded.

그런데 이와 같이 구성된 종래 모터의 접지구조에 있어서는, 모터의 인쇄회로기판(20)상의 패턴 접지부와 상기 인쇄회로기판(20) 밑면에 형성된 메탈과의 접지를 위하여 접지용 판을 추가로 설치해 주어야 함으로써 부품의 증가와 작업 공수가 증가되어 제품의 원가를 상승시키는 문제점이 있었다. 또한, 모터 인쇄회로기판 끝단부에 접지용 판을 추가함으로써 세트의 메카니즘에서 상기 접지용 판 도피부를 형성해야 하는 구조적인 어려움이 있었다.However, in the grounding structure of the conventional motor configured as described above, a grounding plate must be additionally provided for grounding the pattern grounding portion on the printed circuit board 20 of the motor and the metal formed on the bottom surface of the printed circuit board 20. There was a problem of increasing the cost of the product due to the increase in parts and workmanship. In addition, by adding a grounding plate to the end of the motor printed circuit board, there is a structural difficulty in forming the grounding plate cover part in the set mechanism.

따라서, 본 고안은 상기 문제점을 해결하기 위하여 창안된 것으로, 본 고안의 목적은 베어링 하우징 안착을 위하여 인쇄회로 기판에 형성된 중앙홀 주위에 솔더레지스터를 제거한 노출동박을 형성하고, 상기 노출동박에 인쇄회로기판 상의 접지부와 패턴으로 연결하여 인쇄회로 기판상의 접지부가 상기 노출동박에 안착된 베어링하우징을 통하여 인쇄회로기판의 밑면 메탈부와 전기적으로 도통되도록 형성함으로써 부품절감으로 인한 원가절감 및 작업공수를 줄인 모터의 접지구조를 제공하는데 있다.Accordingly, the present invention was devised to solve the above problems, and an object of the present invention is to form an exposed copper foil from which a solder resist is removed around a central hole formed in a printed circuit board for mounting a bearing housing, and to the exposed copper foil printed circuit. The grounding part on the printed circuit board is electrically connected to the metal part of the bottom of the printed circuit board through a bearing housing seated on the exposed copper foil, thereby reducing the cost and labor due to component reduction. To provide a grounding structure of the motor.

도 1은 종래 기술에 따른 모터의 접지구조를 나타낸 단면도1 is a cross-sectional view showing the grounding structure of a motor according to the prior art

도 2는 종래 모터의 인쇄회로 기판의 패턴 형상도2 is a pattern of a printed circuit board of a conventional motor

도 3은 본 고안에 의한 모터의 접지구조를 나타낸 단면도3 is a cross-sectional view showing the grounding structure of the motor according to the present invention

도 4는 본 고안에 의한 모터의 접지구조를 나타낸 패턴 형상도Figure 4 is a pattern diagram showing the grounding structure of the motor according to the present invention

* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

10 : 회전축 20, 200 : 인쇄회로 기판10: rotating shaft 20, 200: printed circuit board

22 : 칩부품 24 : 접지용 판22: chip component 24: grounding plate

26 : 리벳 30 : 로터 요크26: rivet 30: rotor yoke

32 : 구동 마그네트 40 : 베어링 하우징32: drive magnet 40: bearing housing

42 : 코어 44 : 베어링42: core 44: bearing

50 : 턴테이블 60 : 안착용 패턴50: turntable 60: seating pattern

70 : 동박 72 : 노출 동박70: copper foil 72: exposed copper foil

80 : 접지용 판 접착부 90 : 접지부80: grounding plate adhesive portion 90: grounding portion

100 : 중앙홀100: concourse

상기 목적을 달성하기 위한 본 고안에 의한 모터의 접지구조는,Grounding structure of the motor according to the present invention for achieving the above object,

적어도 베어링 하우징 안착을 위하여 인쇄회로기판에 형성된 중앙홀 주위에 솔더레지스터를 제거한 노출동박을 형성하고, 상기 노출동박에 인쇄회로기판 상의 접지부와 패턴으로 연결하여 인쇄회로 기판상의 접지부가 상기 노출동박에 안착된 베어링하우징을 통하여 인쇄회로기판의 밑면 메탈부와 전기적으로 도통되도록 형성된 것을 특징으로 한다.An exposed copper foil formed by removing the solder resist is formed around at least the center hole formed in the printed circuit board for seating the bearing housing, and the exposed copper foil is connected in a pattern with the ground portion on the printed circuit board so that the ground portion on the printed circuit board is connected to the exposed copper foil. It is characterized in that it is formed to be electrically connected to the bottom metal portion of the printed circuit board through the seated bearing housing.

이하, 본 고안의 일실시예에 관하여 첨부도면을 참조하면서 상세히 설명한다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

또, 실시예를 설명하기 위한 모든 도면에서 동일한 기능을 갖는 것은 동일한 부호를 사용하고 그 반복적인 설명은 생략한다.In addition, in all the drawings for demonstrating an embodiment, the thing with the same function uses the same code | symbol, and the repeated description is abbreviate | omitted.

도 3은 본 고안에 의한 모터의 접지구조를 나타낸 단면도이고, 도 4는 본 고안에 의한 모터의 접지구조를 나타낸 패턴 형상도이다.Figure 3 is a cross-sectional view showing a grounding structure of the motor according to the present invention, Figure 4 is a pattern shape diagram showing a grounding structure of the motor according to the present invention.

상기 도면에서, 부호 100은 베어링하우징(40)을 안착하기 위하여 인쇄회로기판(20) 상에 형성된 중앙홀이고, 부호 72는 상기 중앙홀(100) 주위에 형성되며 솔더레지스터가 제거된 노출동박이고, 부호 90은 베어링하우징 안착용 패턴과 모터의 접지 연결부인 접지부이다.In the figure, reference numeral 100 denotes a central hole formed on the printed circuit board 20 for seating the bearing housing 40, and reference numeral 72 denotes an exposed copper foil formed around the central hole 100 with the solder resist removed. , Reference numeral 90 denotes a grounding portion that is a ground connection of the bearing housing seating pattern and the motor.

본 고안에 의한 모터의 접지구조는, 베어링하우징(40)을 안착하기 위하여 인쇄회로기판(20)에 형성된 중앙홀(100) 주위에 솔더레지스터를 제거한 노출동박(72)이 형성되어 있으며, 상기 노출동박(72)에 인쇄회로기판(20) 상의 접지부와 패턴으로 연결되어 있다.In the grounding structure of the motor according to the present invention, the exposed copper foil (72) from which the solder resist is removed is formed around the central hole (100) formed in the printed circuit board (20) in order to seat the bearing housing (40). The copper foil 72 is connected in a pattern with the ground portion on the printed circuit board 20.

따라서, 상기 인쇄회로기판(20) 상의 접지부가 상기 노출동박(72)에 안착된 베어링하우징(40)을 통하여 인쇄회로기판(20)의 밑면 메탈부와 전기적으로 도통되도록 형성되어 있다.Accordingly, the ground portion on the printed circuit board 20 is electrically connected to the bottom metal portion of the printed circuit board 20 through the bearing housing 40 seated on the exposed copper foil 72.

상기 구성에 의한 본 고안은, 상기 인쇄회로기판(20)상의 접지와 인쇄회로 밑면에 메탈부가 전기적으로 접속이 되어 있어서, 종래의 모터의 접지구조에서 사용되었던 접지용 판(24)과 리벳 등의 부품이 필요없게 됨으로 원가절감을 가져올 수 있으며, 이에 따른 작업 공수를 줄일 수가 있다.According to the present invention, the metal part is electrically connected to the ground on the printed circuit board 20 and the bottom of the printed circuit, such as the grounding plate 24 and the rivet used in the grounding structure of the conventional motor. Eliminating the need for parts can result in cost savings and reduce labor.

또한, 인쇄회로기판(20) 끝단부에 접지용 판(24)을 사용하지 않음으로, 세트 메카니즘에서 상기 접지용 판(24) 도피용 공간을 형성할 필요가 없어 구조적인 박형 간소화의 실현이 가능하다.In addition, since the grounding plate 24 is not used at the end of the printed circuit board 20, it is not necessary to form a space for the grounding plate 24 escape in the set mechanism, thereby realizing a structural thin simplification. Do.

앞에서 설명한 바와 같이, 본 고안에 따른 모터의 접지구조에 의하면, 베어링 하우징 안착을 위하여 인쇄회로 기판에 형성된 중앙홀 주위에 솔더레지스터를 제거한 노출동박을 형성하고, 상기 노출동박에 인쇄회로기판 상의 접지부와 패턴으로 연결하여 인쇄회로 기판상의 접지부가 상기 노출동박에 안착된 베어링하우징을 통하여 인쇄회로기판의 밑면 메탈부와 전기적으로 도통되도록 형성함으로써 부품절감으로 인한 원가절감 및 작업공수를 줄일 수 있는 매우 뛰어난 효과가 있다.As described above, according to the grounding structure of the motor according to the present invention, the exposed copper foil formed by removing the solder resist around the central hole formed in the printed circuit board for mounting the bearing housing, and the grounding portion on the printed circuit board on the exposed copper foil It is very excellent to reduce the cost and labor due to component reduction by forming the grounding part on the printed circuit board to be electrically connected to the metal part of the bottom of the printed circuit board through the bearing housing seated on the exposed copper foil. It works.

아울러 본 고안의 바람직한 실시예들은 예시의 목적을 위해 개시된 것이며, 당업자라면 본 고안의 사상과 범위 안에서 다양한 수정, 변경, 부가 등이 가능할 것이며, 이러한 수정 변경등은 이하의 실용신안등록청구범위에 속하는 것으로 보아야 할 것이다.In addition, preferred embodiments of the present invention are disclosed for the purpose of illustration, those skilled in the art will be possible to various modifications, changes, additions, etc. within the spirit and scope of the present invention, such modifications and modifications belong to the following utility model registration claims Should be seen.

Claims (1)

모터의 접지구조에 있어서,In the ground structure of the motor, 적어도 베어링 하우징 안착을 위하여 인쇄회로기판에 형성된 중앙홀 주위에 솔더레지스터를 제거한 노출동박을 형성하고, 상기 노출동박에 인쇄회로기판 상의 접지부와 패턴으로 연결하여 인쇄회로 기판상의 접지부가 상기 노출동박에 안착된 베어링하우징을 통하여 인쇄회로기판의 밑면 메탈부와 전기적으로 도통되도록 형성된 것을 특징으로 하는 모터의 접지구조.An exposed copper foil formed by removing the solder resist is formed around at least the center hole formed in the printed circuit board for seating the bearing housing, and the exposed copper foil is connected in a pattern with the ground portion on the printed circuit board so that the ground portion on the printed circuit board Grounding structure of the motor, characterized in that it is formed to be electrically connected to the bottom metal portion of the printed circuit board through the seated bearing housing.
KR2019980013939U 1998-07-28 1998-07-28 Earth structure of motor KR200203699Y1 (en)

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