KR960007502Y1 - Line filter - Google Patents

Line filter Download PDF

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Publication number
KR960007502Y1
KR960007502Y1 KR2019930030497U KR930030497U KR960007502Y1 KR 960007502 Y1 KR960007502 Y1 KR 960007502Y1 KR 2019930030497 U KR2019930030497 U KR 2019930030497U KR 930030497 U KR930030497 U KR 930030497U KR 960007502 Y1 KR960007502 Y1 KR 960007502Y1
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KR
South Korea
Prior art keywords
line filter
casing
line
space
electronic device
Prior art date
Application number
KR2019930030497U
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Korean (ko)
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KR950021618U (en
Inventor
유학석
Original Assignee
대우전자 주식회사
배순훈
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Application filed by 대우전자 주식회사, 배순훈 filed Critical 대우전자 주식회사
Priority to KR2019930030497U priority Critical patent/KR960007502Y1/en
Publication of KR950021618U publication Critical patent/KR950021618U/en
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Publication of KR960007502Y1 publication Critical patent/KR960007502Y1/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component
    • H01R13/719Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/712Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716Coupling device provided on the PCB
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/502Bases; Cases composed of different pieces
    • H01R13/512Bases; Cases composed of different pieces assembled by screw or screws

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  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

요약없음No summary

Description

전자기기의 라인필터Line filter of electronic equipment

제1도는 전자렌인지에 있어서 종래의 라인필터의 지지방식을 보이는 부분 분해사시도1 is a partially exploded perspective view showing a support method of a conventional line filter in a microwave oven

제2도는 본 고안 라인필터의 구성을 보이는 분해 단면도2 is an exploded cross-sectional view showing the configuration of the present line filter

제3도는 그 결합상태 단면도이다.3 is a cross-sectional view of the coupled state.

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

1 : 케이싱(casing) 2 : 회로부1: casing 2: circuit part

3 : 공간부(cavity)4 : 볼트(boit)3: cavity 4: bolt

6 : 절연 슬리이브(isolation sieeve)9 : 몰딩(molding)6: insulation sieeve 9: molding

본 고안은 전자기기에 사용되는 라인 필터(line filter)에 관한 것이다.The present invention relates to a line filter for use in electronic devices.

전자기기의 노이즈(noize)필터의 일종인 라인필터는 전원선을 따라 유입되는 잡음에 의한 간섭으로 전자기기의 작동장애를 방지하는 것으로 전자기기의 전원입력축에 설치된다.The line filter, which is a kind of noise filter of the electronic device, is installed on the power input shaft of the electronic device to prevent operation failure of the electronic device by interference caused by noise flowing along the power line.

라인필터는 비교적 대형의 코일(coil)과 캐패시터(capacitor)들을 구비하므로 상당한 부피를 가지게 되는바, 이에 따라 전자기기의 주(主)기판과는 별도의 회로기판에 장착되어 새시(chassis)등에 확실히 지지되어야 한다.Since the line filter has a relatively large coil and capacitors, the line filter has a considerable volume. Therefore, the line filter is mounted on a circuit board separate from the main board of the electronic device so as to secure the chassis. Should be supported.

제1도에는 이러한 라인필터의 지지의 일례로서 전자레인지의 구성을 도시하였다. 전자레인지의 전장실(電裝室)내에는 마그네트론과 고압트랜스등 대형부품들이 구비되므로 그 공간적 여유가 충분치 않으므로, 일반적으로 라인필터(F)는 냉각팬(K)의 덕트(duct 또는 wind guide : D)상에 설치되고 있다.1 shows the configuration of a microwave oven as an example of support of such a line filter. Since large parts such as magnetrons and high voltage transformers are provided in the electric compartment of the microwave oven, the space is not enough. Generally, the line filter F is a duct or wind guide of the cooling fan K. It is installed on D).

이 결합은 라인필터(F)의 회로기판(P)을 덕트(D)에 나사(S)등으로 결합한뒤, 회로기판(P)에서 연장되는 접지선(G)을 다시 덕트(D)에 연결하고, 다시 라인필터(F)의 각 접속선(별도로 도시하지 않음)을 전원입력선과 주기판의 전원공급부로 연결하는 방식으로 이루어진다.This coupling couples the circuit board P of the line filter F to the duct D with a screw S or the like, and then connects the grounding line G extending from the circuit board P to the duct D again. In addition, each connection line (not shown separately) of the line filter F is connected to a power input line and a power supply of a main board.

그런데 이와 같은 종래의 라인필터 지지구조는 라인필터가, 냉각팬(K)의 회전 및 기류의 유동에 의해 진동이 심한 덕트(D)상에 설치되므로 오히려 2차적 잡음이 유발되는등 필터링(filtering) 효과가 크지 못한 문제가 있었다.However, such a conventional line filter support structure is installed on the duct (D) where the line filter is vibrated by the rotation of the cooling fan (K) and the flow of airflow, so that a secondary noise is generated. There was a problem that the effect was not great.

또한 라인필터(F)가 전원입력선과 주기판등 연결될 접속부로 부터 멀어 접속선이 길어지고 그 경로가 복잡하므로 이를 결속 및 구속하기 위한 하네스(harness)도 여러개 사용하지 않으면 안된다.In addition, since the line filter F is far from the connection part to be connected to the power input line and the main board and the connection line is long and its path is complicated, several harnesses for binding and restraining it must be used.

특히 이와같은 종래의 라인필터(F)는 접지측인 섀시나, 기판 또는 다른 부품의 활점(活點)으로부터 적어도 수mm 이상의 간격(Gap)을 두고 이격되어야 하므로 라인필터(F)를 반드시 구조물상에 고정시켜야 할뿐 아니라 그 위치의 선정에도 설계상 많은 고려가 필요하다.In particular, such a conventional line filter (F) must be spaced apart by at least a few millimeters (Gap) from the active point of the chassis, the substrate or other components on the ground side, so the line filter (F) must be placed on the structure In addition to fixing them, the design of the location requires a lot of consideration.

예를들어 회로기판상의 부품들은 다른 활점들과 소정의 간격 및 절연을 기판하의 접합점들은 그 하부의 접지면으로부터 소정 간격 및 절연을 유지해야 한다. 이러한 이격과 절연유지를 위해 종래에는 다수의 스페이서(spacer)등을 사용해야 하는 불편이 있다.For example, components on a circuit board must have a predetermined spacing and insulation from other active points, and junctions under the substrate must maintain a predetermined spacing and insulation from the ground plane below them. In order to maintain such separation and insulation, there is a conventional inconvenience of using a plurality of spacers.

이와 같은 종래의 문제점을 감안하여 본 고안의 목적은 별도의 접지가 불필요하며 외부의 잡음 원인으로부터 차폐되며 임의 위치에 설치될 수 있는 라인필터를 제공하는 것이다.In view of such a conventional problem, an object of the present invention is to provide a line filter that does not require a separate ground and is shielded from external noise sources and can be installed at an arbitrary position.

상술한 목적을 달성하기 위해 본 고안에 의한 라인필터는 도전성(導電性) 재질로 그 내부에 공간부를 가지도록 형성되며 그 일단에 볼트(bolt)가 연장되는 케이싱(casing)과, 이 케이싱에 접지 접속되도록 공간부에 수납되는 회로부를 구비하는 것을 특징으로 한다.In order to achieve the above object, the line filter according to the present invention is made of a conductive material so as to have a space therein, a casing in which a bolt extends at one end thereof, and a ground to the casing. And a circuit portion housed in the space portion so as to be connected.

본 고안의 한 특지에 의하면 케이싱의 공간부 측벽과 회로부 사이에는 절연 슬리이브(isolation sleeve)가 구비된다.According to one aspect of the present invention, an insulation sleeve is provided between the space side wall of the casing and the circuit portion.

본 고안의 다른 특징에 의하면 케이싱의 공간부에 회로부가 삽입된 상태에서 공간부의 개구(opening)는 밀봉된다.According to another feature of the present invention, the opening of the space portion is sealed while the circuit portion is inserted into the space portion of the casing.

본 고안의 구체적 특징과 이점은 첨부된 도면을 참조한 이하의 바람직한 실시예의 설명으로 더욱 명확해 질 것이다.Specific features and advantages of the present invention will become more apparent from the following description of the preferred embodiments with reference to the attached drawings.

제2도 및 제3도에서 본 고안에 의한 라인필터는 도전성 재질의 케이싱(1)과 이에 수납되는 회로부(2)로 구성된다. 케이싱(1)은 대략 원통형 컵 형태로 구성되어 그 내부에 공간부(3)가 형성되고 그 일단에 볼트(4)가 고정되어 연장된다. 이 볼트(4)는 캐시넷(cabinet)등 접지측의 섀시판(5)에 형성된 관통구멍(5a)를 통해 너트(7)와 결합됨으로써 본 고안 라인필터의 케이싱(1)을 섀시판(5)에 고정 및 접지 시키게 된다.2 and 3, the line filter according to the present invention includes a casing 1 of a conductive material and a circuit part 2 accommodated therein. The casing 1 is formed in the shape of a substantially cylindrical cup so that a space 3 is formed therein and a bolt 4 is fixed and extended at one end thereof. The bolt 4 is coupled to the nut 7 through a through hole 5a formed in the chassis plate 5 on the ground side such as a cachet, thereby connecting the casing 1 of the line filter of the present invention to the chassis plate 5. ) And it is grounded.

한편 회로부(2)는 케이싱(1)내에 삽입되어 이와 접지 접속되는데, 이를 위해 회로부(2)의 기판 일측에는 한 접촉레그(2)(contact leg : 8)가 연장된다. 이 접촉레그(8)는 종래 접지선이 접속되던 단자로부터 연장되는데, 도시된 구성은 한 예시이므로 여러가지 다른 구성이 가능함은 물론이다.On the other hand, the circuit part 2 is inserted into the casing 1 and is connected to the ground. For this purpose, one contact leg 2 (contact leg: 8) extends on one side of the substrate of the circuit part 2. The contact leg 8 extends from a terminal to which a conventional ground wire is connected. The illustrated configuration is one example, and various other configurations are possible.

케이싱(1)과 회로부(2) 사이에는 불필요한 전기적 간섭을 피하기 위해 접지접속외에는 절연되는 것이 바람직하다. 이를 위해 케이싱(1)의 공간부(3) 측벽에는 원통형의 절연슬리이브(6)가 삽입된다.In order to avoid unnecessary electrical interference between the casing 1 and the circuit portion 2, it is preferable to insulate other than the ground connection. To this end, a cylindrical insulating sleeve 6 is inserted into the side wall of the space 3 of the casing 1.

이 절연슬리이브(6)는 예를들어 절연필름을 원통형으로 말아 케이싱(1)내에 삽입하는 방법등으로 구성될 수 있다.The insulating sleeve 6 may be constituted by, for example, a method in which the insulating film is rolled into a cylindrical shape and inserted into the casing 1.

케이싱(1)내에 회로부(2)가 삽입되고 나면 회로부(2)를 케이싱(1)에 대해 밀봉하는 것이 바람직한 바, 예를 들어 제3도의 우단에 도시된 바와같이 케이싱(1)의 공간부(3) 개구를 에폭시(epoxy)등의 합성수지로 몰딩(molding : 9)하여 밀봉한다. 이러한 구성은 케이싱(1)내에 회로부(2)를 유동없이 지지할 수 있을 뿐 아니라 외부의 이물등이 유입되지 않고, 회로부(2)로부터의 접속선(10)도 소정위치에 고정되므로 별도의 하네스(harness)가 없이도 접속선(10)의 구속이 가능하게 된다.After the circuit part 2 is inserted into the casing 1, it is preferable to seal the circuit part 2 with respect to the casing 1, for example, as shown in the right end of FIG. 3. 3) Seal the opening by molding it with synthetic resin such as epoxy (9). Such a configuration can not only support the circuit part 2 in the casing 1 without flow, but also prevent external foreign substances, etc., and the connection line 10 from the circuit part 2 is also fixed at a predetermined position so that a separate harness is provided. It is possible to restrain the connecting line 10 without any harness.

특히 몰딩(9)된 라인필터는 케이싱(1)내에 모든 필요부분이 구비된 한 조립체를 구성하게 되므로 취급 및 조립이 극히 용이하게 된다. 이와 같은 라인필터의 조립은 몰딩(9)이 완료된 라인필터 조립체의 일측에 연장된 볼트(4)를 섀시판(5)의 관통구멍(5a)에 삽입한뒤 반대측으로부터 너트(7)를 결합하는 것으로 고정과 접지가 동시에 이루어진다.In particular, the molded line filter 9 constitutes an assembly in which all necessary portions are provided in the casing 1, so that handling and assembly are extremely easy. The assembly of such a line filter inserts a bolt 4 extending on one side of the line filter assembly in which the molding 9 is completed, into the through hole 5a of the chassis plate 5, and then joins the nut 7 from the opposite side. Fixed and grounded at the same time.

고정이 완료된 상태에서 본 고안 라인필터는 접지된 케이싱(1)내에 이로부터 절연된 회로부(2)가 위치하게 되므로 외부의 잡음, 예를들어 전자레인지의 누설 전자파나 정전기 스파아크(electrostatic spark)등으로부터 완전히 차폐된 상태가 된다. 또한 다른 부품들과의 간격유지나 절연의 문제가 없으므로 임의 위치에 수직 또는 수평으로 자유롭게 설치될 수 있다.In the state where the fixing is completed, the line filter of the present invention has a circuit part 2 insulated from it in the grounded casing 1, so that external noise, for example, microwave leakage of electromagnetic waves, electrostatic spark, etc. It is completely shielded from the state. In addition, it can be installed freely vertically or horizontally at any position because there is no problem of maintaining the space or insulation with other components.

이와같이 본 고안에 의하면 라인필터의 고정만으로 접지가 이루어지므로 조립공수가 현저히 절감되고, 외부 잡음에서 완전히 차폐되므로 필터링(filtering) 효과가 높으며 설치공간에 제약이 없다. 이에따라 본 고안은 전자기기의 생산성과 기능 향상에 큰 효과가 있다.As such, according to the present invention, since the grounding is performed only by fixing the line filter, the assembly work is significantly reduced, and since the shielding is completely shielded from external noise, the filtering effect is high and the installation space is not limited. Accordingly, the present invention has a great effect on improving the productivity and function of the electronic device.

Claims (4)

전원 공급선으로 유입되는 잡음을 제거하는 전자기기의 라인필터에 있어서,In the line filter of the electronic device to remove the noise flowing into the power supply line, 그 내부에 공간부(3)를 가지는 도전성 재질의 케이싱(1)과,A casing 1 made of a conductive material having a space 3 therein; 상기 케이싱(1)에 접지접속되도록 상기 공간부(3)에 수납되는 회로부(2)를 구비하는 것을 특징으로 하는 전자기기의 라인필터.And a circuit portion (2) housed in the space portion (3) so as to be grounded to the casing (1). 제1항에 있어서,The method of claim 1, 상기 케이싱(1)의 일단에 상기 케이싱(1)을 섀시판(5)에 고정하는 볼트(4)가 연장되는 것을 특징으로 하는 전자기기의 라인필터.Line filter of the electronic device, characterized in that the bolt (4) for fixing the casing (1) to the chassis plate (5) is extended to one end of the casing (1). 제1항에 있어서,The method of claim 1, 상기 케이싱(1)의 측벽과 상기 회로부(2) 사이에 절연슬리이브(6)가 구비되는 것을 특징으로 하는 전자기기의 라인필터.An insulating sleeve (6) is provided between the side wall of the casing (1) and the circuit portion (2). 제1항에 있어서,The method of claim 1, 상기 케이싱(1)의 공간부(3)에 상기 회로부(2)가 삽입된 상태로 상기 공간부(3)의 개구가 몰딩(9)으로 밀봉되는 것을 특징으로 하는 전자기기의 라인필터.The line filter of the electronic device, characterized in that the opening of the space portion (3) is sealed with a molding (9) with the circuit portion (2) inserted into the space portion (3) of the casing (1).
KR2019930030497U 1993-12-29 1993-12-29 Line filter KR960007502Y1 (en)

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Application Number Priority Date Filing Date Title
KR2019930030497U KR960007502Y1 (en) 1993-12-29 1993-12-29 Line filter

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Application Number Priority Date Filing Date Title
KR2019930030497U KR960007502Y1 (en) 1993-12-29 1993-12-29 Line filter

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KR950021618U KR950021618U (en) 1995-07-28
KR960007502Y1 true KR960007502Y1 (en) 1996-08-29

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KR2019930030497U KR960007502Y1 (en) 1993-12-29 1993-12-29 Line filter

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KR950021618U (en) 1995-07-28

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