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KR200243115Y1 - the noise filter case - Google Patents

the noise filter case Download PDF

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Publication number
KR200243115Y1
KR200243115Y1 KR2019990004275U KR19990004275U KR200243115Y1 KR 200243115 Y1 KR200243115 Y1 KR 200243115Y1 KR 2019990004275 U KR2019990004275 U KR 2019990004275U KR 19990004275 U KR19990004275 U KR 19990004275U KR 200243115 Y1 KR200243115 Y1 KR 200243115Y1
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KR
South Korea
Prior art keywords
noise filter
case
main body
coupling cap
case body
Prior art date
Application number
KR2019990004275U
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Korean (ko)
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KR20000018336U (en
Inventor
한경화
Original Assignee
손동준
(주)동일기연
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Application filed by 손동준, (주)동일기연 filed Critical 손동준
Priority to KR2019990004275U priority Critical patent/KR200243115Y1/en
Publication of KR20000018336U publication Critical patent/KR20000018336U/en
Application granted granted Critical
Publication of KR200243115Y1 publication Critical patent/KR200243115Y1/en

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/10Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing
    • H05K5/15Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing assembled by resilient members
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/03Covers
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • H05K9/0007Casings
    • H05K9/0009Casings with provisions to reduce EMI leakage through the joining parts

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Filters And Equalizers (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

본 고안에 따른 노이즈필터용 케이스는 노이즈필터본체가 내부에 설치되는 케이스본체와 이를 덥는 상부덥개를 착탈가능하게 결합시킬 수 있게 금속박판재로 성형된 결합캡을 씌워 고정할 수 있게 되므로서 노이즈필터용 케이스의 결합구조가 단순하게되어 제조가 용이하고 제조비용이 저렴함과 아울러 금속박판재로 성형된 결합캡에 의하여 EMI차폐효과가 있으므로 별도의 EMI차폐수단을 설치할 필요가 없으며 결합캡에 일체로 형성된 접지단자에 의해 노이즈필터본체를 접지할 수 있게 되므로서 접지구조가 단순하게되어 제조인력이 절감되며 케이스본체와 상부덥개를 착탈가능하게 결합시킬 수 있게 되므로서 노이즈필터의 유지보수가 가능하다.The noise filter case according to the present invention can be fixed by covering a coupling cap formed of a metal sheet so that the noise filter main body can be detachably coupled to the case main body and the upper lid covering it. The simple coupling structure of the case makes it easy to manufacture, low manufacturing cost, and has the EMI shielding effect by the coupling cap formed of metal thin plate material. Therefore, there is no need to install a separate EMI shielding means. Since the noise filter main body can be grounded, the grounding structure is simplified, and manufacturing manpower is reduced, and the main body and the upper lid can be detachably coupled, thus maintaining the noise filter.

Description

노이즈필터용 케이스{the noise filter case}Noise filter case {the noise filter case}

본 고안은 노이즈필터용 케이스에 관한 것으로, 더욱 구체적으로 설명하면, 노이즈필터용 케이스의 외부에 금속박판재로 성형된 결합캡에 의하여 노이즈필터케이스를 결합시키게되므로 별도의 EMI차폐를 위한 장치가 필요없이 EMI차폐효과를 갖으면서도 노이즈필터용 케이스를 용이하게 결합시키는 것이 가능한 노이즈필터용 케이스에 관한 것이다.The present invention relates to a case for a noise filter, and more specifically, the noise filter case is coupled by a coupling cap formed of a metal thin plate to the outside of the noise filter case, so that there is no need for a separate EMI shielding device. The present invention relates to a noise filter case capable of easily combining a noise filter case with an EMI shielding effect.

일반적으로, 현재 사용되고 있는 노이즈필터용 케이스(A)는, 도 4(a)(b)에 도시된 바와같이, 내부에 노이즈필터본체(F)가 내재되는 케이스본체(1)와 상기 케이스본체에 끼워맞춤조립되는 상부덥개(2)로 구성되고, 상기 케이스본체(1)의 내측벽에는 걸림턱(1a)이 형성되고 상기 상부덥개(2)의 저면에는 상기 케이스본체(1)의 걸림턱(1a)과 스냅조립되는 걸림돌조(2b)가 형성된 연장지지편(2a)이 돌출 형성되어 있는 구조로서, 상기 케이스본체(1)와 상부덥개(2)는 상부덥개(2)의 연장지지편 (2a)을 케이스본체(1)의 내측벽에 삽입시켜 압압하면 걸림돌조(2b)의 경사면(2c)이 케이스본체(1) 내측의 걸림턱(1a)의 경사면(1b)과 접하면서 하향이동하다 걸림턱 (1a)과 걸림돌조(2b)가 접하면서 케이스본체(1)와 상부덥개(2)가 결합되는 구조로서, 이와같은 노이즈필터용 케이스(A)는 케이스본체와 상부덥개상에 걸림턱(1a)과 연장지지편(2a)의 걸림돌조(2b)를 형성시켜야하므로 제조가가 고가로 되고, 케이스본체와 상부덥개가 결합이 이루어지면 다시 분해하는 것이 불가능하여 내부에 설치된 노이즈필터본체(F)를 유지수선을 할 수 없으며, 특히 이와같은 걸림턱과 걸림돌조의 스냅조립을 위한 구조는 탄성이 있는 합성수지로서만이 형성가능하므로 EMI 차폐를 위해서는 별도의 금속제 EMI 차폐수단을 사용하여야 되므로 제조가가 고가로되는 문제점이 있었다.In general, the noise filter case A currently used includes a case body 1 and a case body in which the noise filter body F is embedded, as shown in Figs. 4A and 4B. Consists of the upper cover (2) to be assembled, the locking jaw (1a) is formed on the inner wall of the case body (1) and the locking jaw of the case body (1) on the bottom of the upper cover (2) 1a) and the extension support piece (2a) formed with a locking projection (2b) that is snap-assembled protrudingly formed, the case body (1) and the upper cover (2) is an extension support piece of the upper cover ( When 2a) is inserted into the inner wall of the case body 1 and pressed, the inclined surface 2c of the locking protrusion 2b moves downward while contacting the inclined surface 1b of the locking step 1a inside the case body 1. As the catching jaw 1a and the catching protrusion 2b are in contact with each other, the case body 1 and the upper lid 2 are coupled to each other. It is necessary to form the locking projection (2b) of the latching jaw (1a) and the extension support piece (2a) on the case body and the upper cover, the manufacturing price is expensive, and if the case body and the upper cover is combined, disassembling again It is impossible to maintain and repair the noise filter body (F) installed inside, and in particular, the structure for snap assembly of the locking step and the locking projection can be formed only as a synthetic resin with elasticity. Since the means must be used, there was a problem that the manufacturing price is expensive.

종래의 다른 노이즈필터용 케이스(A)는, 도 5(a)(b)에 도시된 바와같이, 내부에 노이즈필터용본체(F)가 내재되는 케이스본체(1)와 상기 케이스본체(1)에 끼워맞춤되는 상부덥개(2)로 구성되고 상부덥개의 모서리에는 하향으로 일정길이로 연장 매몰편(2d)이 형성되어 케이스본체(1)내에 용융합성수지(3)를 충진시키고 상부덥개(2)를 덥어 상부덥개(2)의 연장매몰편(2d)의 선단이 충진된 합성수지 (3)에 매몰되면서 케이스본체(1)와 상부덥개(2)를 고정시키는 구조로서, 상기의 고안은 역시 케이스본체(1)와 상부덥개(2)의 결합이 이루어지면 다시 분해하는 것이 불가능하여 유지수선을 할 수 없으며, EMI 차폐를 위한 별도의 EMI 차폐수단을 사용하여야 하는 문제점이 있었다. 그리고, 이와같은 도 4 및 도 5에 기술된 종래의 노이즈필터용 케이스(A)는 합성수지로 제조되므로 노이즈필터의 접지를 위하여 별도의 접지선을 외부로 인출하여야 하므로 제조가가 고가로 되는 문제점이 있었다.Another conventional noise filter case (A), as shown in Fig. 5 (a) (b), the case body (1) and the case body (1) in which the noise filter body (F) is embedded It consists of an upper lid (2) to be fitted to the edge of the upper cover is formed downwardly extending a predetermined length (2d) extending downwards to fill the melt synthetic resin (3) in the case body (1) and the upper lid (2) It is a structure to fix the case body (1) and the upper cover (2) while being buried in a synthetic resin (3) filled with the tip of the extension buried piece (2d) of the upper cover (2), the above design is also the case body When the combination of (1) and the upper cover (2) is made, it is impossible to disassemble again, there is a problem that can not be maintained, and a separate EMI shielding means for the EMI shielding. 4 and 5, the conventional noise filter case A described in FIGS. 4 and 5 is made of synthetic resin, so that a separate ground wire must be drawn to the outside for the grounding of the noise filter. .

또한, 종래의 노이즈필터용 케이스로서 금속판을 성형하여 제조된 노이즈필터용 케이스도 제안된 바 있으나 이러한 금속판을 가공하여 성형시킨 노이즈필터용케이스는 제조가 어렵고 제조가가 합성수지케이스보다 월등히 높아지게되어 경제성이 없다는 문제점이 있었다.In addition, a noise filter case manufactured by molding a metal plate has also been proposed as a conventional noise filter case, but a noise filter case formed by processing such a metal plate is difficult to manufacture and the manufacturing price is significantly higher than that of a synthetic resin case, resulting in economical efficiency. There was no problem.

본 고안의 목적은, 이러한 문제점을 해결하기 위한것으로, 노이즈필터용 케이스의 조립이 간단하고 구조가 단순하게 되어, 보다 저렴하게 제조하는 것이 가능함과 아울러 별도의 EMI 차폐수단이 없이도 노이즈필터용 케이스의 EMI 차폐효과가 향상되고 노이즈필터용 케이스를 개폐가능하게 조립할 수 있게되므로서 유지보수가 용이하게된 노이즈필터용 케이스를 제공하는 것이다.The object of the present invention is to solve this problem, the assembly of the noise filter case is simple and the structure is simple, it is possible to manufacture more inexpensively, and also without the separate EMI shielding means It is possible to provide a noise filter case that can be easily maintained by improving the EMI shielding effect and allowing the noise filter case to be opened and closed.

본 고안의 다른 목적은 노이즈필터와 접속되는 별도의 접지선을 인출할 필요없이 자동적으로 노이즈필터와 접지되는 노이즈필터용 케이스를 제공하는 것이다.Another object of the present invention is to provide a case for a noise filter which is automatically grounded with a noise filter without having to draw a separate ground wire connected to the noise filter.

본 고안의 이러한 목적들은 노이즈필터본체가 내제되는 케이스본체와, 상기 케이스본체에 착탈가능하게 결합되는 상부덥개와, 상기 상부덥개를 감싸며 케이스본체로 하향연장되어 케이스본체의 저면에 절곡고정되어 상부덥개와 케이스본체를 결합시키는 결합캡으로 구성된 본 고안에 따른 노이즈필터용 케이스에 의해 달성된다.These objectives of the present invention are the case body is a noise filter body is built in, the upper cover detachably coupled to the case body, and the upper cover is wrapped downwardly extended to the case body to be bent to the bottom of the case body is fixed to the upper cover And is achieved by the noise filter case according to the present invention consisting of a coupling cap for coupling the case body.

본 고안에 따른 노이즈필터용 케이스를 첨부된 도면을 참고로하여 이하에 상세히 기술되는 실시예들에 의하여 그 특징 및 장점들을 명백하게 이해할 수 있을 것이다.With reference to the accompanying drawings, the noise filter case according to the present invention will be clearly understood its features and advantages by the embodiments described in detail below.

도 1은 본 고안에 따른 노이즈필터가 수납된 노이즈 필터용 케이스의 분해사시도1 is an exploded perspective view of a noise filter case housed with a noise filter according to the present invention

도 2는 본 고안에 따른 노이즈필터용 케이스의 사시도2 is a perspective view of a noise filter case according to the present invention

도 3은 본 고안에 따른 결합캡에 의해 결합된 노이즈필터용 케이스의 저면도3 is a bottom view of a noise filter case coupled by a coupling cap according to the present invention;

도 4 (a)는 종래의 스냅조립형 노이즈필터가 수납된 케이스의 분해사시도이고,Figure 4 (a) is an exploded perspective view of a case containing a conventional snap assembly noise filter,

(b)는 결합부분의 부분단면도(b) is a partial cross-sectional view of the engaging portion

도 5 (a)는 매립형 노이즈필터용 케이스의 분해사시도이고5 (a) is an exploded perspective view of a case for a buried noise filter;

(b)는 매립형 노이즈필터용 케이스의 결합부분의 부분단면도(b) is a partial cross-sectional view of the coupling portion of the buried noise filter case

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

A. 노이즈필터용 케이스 F,10. 노이즈필터 케이스 1,12. 케이스 본체A. Noise filter case F, 10. Noise Filter Case 1,12. Case body

2,13. 상부 덥개 14. 결합캡 121. 고정홈2,13. Upper cover 14. Coupling cap 121. Fixing groove

131. 지지턱 141. 고정단부 142. 접지단부131. Supporting jaw 141. Fixed end 142. Grounding end

본 고안의 일실시예에 따른 노이즈필터용 케이스(A)는, 도 1에 도시된 바와같이, 노이즈필터본체(10)가 내설되며 노이즈필터본체(10)의 단자(11)가 고정되는 케이스본체(12)와, 상기 케이스본체(12)에 결합되어 상기 케이스본체(12)를 덥는상부덥개(13)와, 하향개방되게 ''로 절곡되어 상기 상부덥개(13)를 감싸며 하향연장되어 양단부가 케이스본체(12)의 저면에서 절곡고정되는 결합캡(14)으로 구성된다.As shown in FIG. 1, the noise filter case A according to an embodiment of the present invention includes a case body in which a noise filter main body 10 is embedded and a terminal 11 of the noise filter main body 10 is fixed. (12), and the upper cover 13 is coupled to the case body 12 to cover the case body 12, and downwardly open ' It is bent to the upper cover 13 is wrapped downwardly is extended is composed of a coupling cap 14 is fixed at both ends bent at the bottom of the case body 12.

상기 케이스본체(12)의 저면의 각 모서리에는 상기 결합캡(14)의 단부가 삽입고정되는 고정홈(121)이 형성되고 상기 결합캡(14)과 접하는 측면에는 결합캡 (14)의 형상과 대응되게 상기 결합캡(14)의 두께만큼 삭설면(122)이 형성되어 상기 결합캡(14)의 좌우로의 이동을 방지할 수 있다.Each corner of the bottom surface of the case body 12 is formed with a fixing groove 121 is inserted into the end of the coupling cap 14 is fixed to the side in contact with the coupling cap 14 and the shape of the coupling cap 14 and Correspondingly, the cut surface 122 is formed by the thickness of the coupling cap 14 to prevent the movement of the coupling cap 14 to the left and right.

상기 상부덥개(13)의 일측벽에는 하향연장된 지지턱(131)이 형성되어 결합시 상부덥개(13)의 좌우로의 이동이 방지되고, 상기 상부덥개(13)의 상기 결합캡(14)과 접하는 외표면상에는 결합캡(14)의 형상에 대응하는 형상으로 삭설면(132)이 형성되어 상기 결합캡(14)의 좌우로의 이동을 방지할 수 있다.One side wall of the upper lid 13 is formed with a downwardly extending support jaw 131 is prevented from being moved to the left and right of the upper lid 13 when combined, the coupling cap 14 of the upper lid 13 On the outer surface in contact with the cutting surface 132 is formed in a shape corresponding to the shape of the coupling cap 14 can be prevented from moving to the left and right of the coupling cap (14).

상기 결합캡(14)은 얇은 금속박판재로 성형되며 하향으로 개방된 '' 형상의 구조이다. 상기 결합캡(14)의 하단부에는 케이스본체(12)의 고정홈(121)에 절곡고정되는 고정단부(141)가 형성되고, 노이즈필터본체의 접지단자에 접속되도록 상면의 중간에는 하향으로 접지단부(142)가 연장형성되고, 상기 접지단부(142)의 말단에는 안정된 접지가 보장되도록 절곡단(142a)이 형성되어 있다. 본 실시예에서는 결합캡이 하향으로 개방된 구조를 설명하였으나, 상방으로 개방되고 고정단부(141)가 상부덥개(13)에 절곡고정되게 성형될 수도 있다.The coupling cap 14 is formed of a thin metal sheet and opened downward ' 'The structure of the shape. The lower end of the coupling cap 14 is formed with a fixed end 141, which is bent and fixed to the fixing groove 121 of the case body 12, the ground end downward in the middle of the upper surface to be connected to the ground terminal of the noise filter body 142 is extended and a bent end 142a is formed at the end of the ground end 142 to ensure stable grounding. In the present embodiment, the coupling cap has been described in a downwardly open structure, but may be formed to be open upward and the fixed end 141 is bent and fixed to the upper lid 13.

이와같은 구조를 갖는 본 고안의 일실시예에 따른 노이즈필터용 케이스(A)는노이즈필터본체(10)가 수납설치된 케이스본체(12)상에 상부덥개(13)를 끼우고, 상기 상부덥개(13)상에 결합캡(14)을 끼우고 결합캡(14)의 접지단부(142)의 절곡단 (142a)이 노이즈필터본체(10)의 접지단자에 접속되도록 접지단자와 상부덥개의 주연부사이에 끼우고 (도 2에 도시), 결합캡(14)의 고정단부(141)를 절곡시켜 케이스본체(12)의 고정홈(121)에 고정시키면 간단하게 노이즈필터용 케이스의 조립결합이 종료되는 것이다.Noise filter case (A) according to an embodiment of the present invention having such a structure is fitted with the upper cover 13 on the case body 12, the noise filter body 10 is installed, the upper cover ( 13 between the ground terminal and the upper periphery so that the coupling cap 14 is inserted onto the bent end 142a of the ground end 142 of the coupling cap 14 and is connected to the ground terminal of the noise filter body 10. 2, the fixing end 141 of the coupling cap 14 is bent and fixed to the fixing groove 121 of the case body 12 to simply terminate the assembly of the noise filter case. will be.

이상과 같이 본 고안에 따른 노이즈필터용 케이스는 노이즈필터본체가 내부에 설치되는 케이스본체와 이를 덥는 상부덥개를 착탈가능하게 결합시킬 수 있게 금속박판재로 성형된 결합캡을 씌워 고정할 수 있게 되므로서 노이즈필터용 케이스의 결합구조가 단순하게되어 제조가 용이하고 제조비용이 저렴함과 아울러 금속박판재로 성형된 결합캡에 의하여 EMI차폐효과가 있으므로 별도의 EMI차폐수단을 설치할 필요가 없으며 결합캡에 일체로 형성된 접지단자에 의해 노이즈필터본체를 접지할 수 있게 되므로서 접지구조가 단순하게되어 제조인력이 절감되며 케이스본체와 상부덥개를 착탈가능하게 결합시킬 수 있게 되므로서 노이즈필터의 유지보수가 가능하게 되는 효과가 있다.As described above, the noise filter case according to the present invention can be fixed by covering a coupling cap formed of a metal sheet so that the noise filter main body is detachably coupled to the case main body installed therein and the upper lid covering it. Since the coupling structure of the noise filter case is simple, it is easy to manufacture and the manufacturing cost is low, and the EMI shielding effect is provided by the coupling cap formed of the metal thin plate material, so there is no need to install a separate EMI shielding means and integrally to the coupling cap. Since the grounding terminal can be grounded by the formed ground terminal, the grounding structure can be simplified, and manufacturing manpower can be reduced, and the main body and the upper cover can be detachably coupled to maintain the noise filter. It works.

Claims (3)

노이즈필터본체가 내부에 설치되는 노이즈필터용 케이스에 있어서, 상기 노이즈필터용 케이스는 노이즈필터본체가 내설되며 노이즈필터본체의 단자가 고정되는 케이스본체와, 상기 케이스본체에 결합되어 상기 케이스본체를 덥는 상부덥개와, 상기 케이스본체와 상부덥개를 결합시키도록 상부덥개와 케이스본체를 감싸며 상기 케이스본체로 하향연장되어 상기 케이스본체의 저면에서 양단부가 절곡고정되어 상기 상부덥개와 케이스본체를 결합시키는 결합캡으로 이루어진 것을 특징으로 하는 노이즈필터용 케이스.A noise filter case having a noise filter main body installed therein, wherein the noise filter case includes a case main body in which a noise filter main body is installed and a terminal of the noise filter main body is fixed, and is coupled to the case main body to cover the case main body. An upper cap and a coupling cap surrounding the upper lid and the case body to be coupled to the case body and the upper lid and extending downwardly to the case body to fix both ends at the bottom of the case body, thereby coupling the upper lid and the case body. Noise filter case, characterized in that consisting of. 제 1항에 있어서, 상기 케이스본체와 상부덥개의 외표면상에는 상기 결합캡에 대응하는 형상으로 결합캡의 두께 정도의 삭설면이 형성되어 결합캡의 움직임이 방지되는 것을 특징으로 하는 노이즈필터용 케이스.The noise filter case of claim 1, wherein an outer surface of the case body and the upper lid is formed in a shape corresponding to the coupling cap in a shape corresponding to the coupling cap to prevent movement of the coupling cap. . 제 1항에 있어서, 상기 결합캡의 양단부에는 케이스본체에 절곡고정되는 고정단부가 형성되고 상부면에서 하향으로 연장되어 노이즈필터를 접지시키는 접지단부가 형성된 것을 특징으로 하는 노이즈필터용 케이스.The noise filter case of claim 1, wherein fixed ends which are bent and fixed to the case body are formed at both ends of the coupling cap, and ground ends are formed to extend downward from the upper surface to ground the noise filter.
KR2019990004275U 1999-03-17 1999-03-17 the noise filter case KR200243115Y1 (en)

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