KR0123321Y1 - Combination structure of shield case for high voltage occurrence apparatus - Google Patents

Combination structure of shield case for high voltage occurrence apparatus Download PDF

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Publication number
KR0123321Y1
KR0123321Y1 KR2019940029877U KR19940029877U KR0123321Y1 KR 0123321 Y1 KR0123321 Y1 KR 0123321Y1 KR 2019940029877 U KR2019940029877 U KR 2019940029877U KR 19940029877 U KR19940029877 U KR 19940029877U KR 0123321 Y1 KR0123321 Y1 KR 0123321Y1
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South Korea
Prior art keywords
soldering
case
high voltage
protrusions
corners
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KR2019940029877U
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Korean (ko)
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KR960019529U (en
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우종태
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조강래
주식회사호동전자
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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
    • H05K5/0004Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing
    • H05K5/0013Casings, 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

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

Abstract

본 고안은 공기청정기 등에 주로 사용되는 고전압발생기용 실드케이스의 결합구조에 관한 것이다.The present invention relates to a coupling structure of a shield case for a high voltage generator mainly used in air cleaners.

종래의 고전압발생기는 상·하부 실드케이스를 결합한 다음 납땜하여 고정하였기 때문에 납땜을 위한 예열과 예열후의 납땜공정이 소요되어 결합과정이 번거롭고 생산성이 낮으며, 납땜한 외관이 미려하지 못하고, 고장에 의한 수리시에도 상·하부 케이스의 납땜을 먼저 제거해야 되는 등의 문제점이 있었다.In the conventional high voltage generator, the upper and lower shield cases are combined and then fixed by soldering, which requires preheating for soldering and soldering after preheating, so that the coupling process is cumbersome and low in productivity, and the appearance of soldering is not beautiful. Even during repair, there was a problem that the soldering of the upper and lower cases had to be removed first.

본 고안은 하부에 걸림돌기(30)와 고정돌부(29)가 다수 형성되고 모서리에 요입부(32)를 갖는 상부 케이스(24)의 개방부(22)에, 수납실(2)이 형성되고 모서리 외면 상·하에 ㄱ자 형상의 요입홈(14)(16)을 갖는 고정체(8)를 결합한 다음, 측판(38)에 다수의 통공(42)이 형성되고, 또한 모서리부(40)가 형성된 하부케이스(44)를 결합하여 걸림돌기(24)(44)의 모서리부는 요입홈(14)(16)에 각각 끼워져 모서리 벌어짐이 방지되게 하므로서 납땜공정이 불필요하여 작업성이 간편하고, 생산성이 향상되며, 납땜에 따른 미감저하가 제거되고, 수리시의 분리 또한 쉽도록 한 것이다.According to the present invention, a storage chamber 2 is formed at the opening 22 of the upper case 24 having a plurality of locking protrusions 30 and fixing protrusions 29 formed at a lower portion thereof, and having recesses 32 at corners. After the fixing body 8 having the L-shaped recesses 14 and 16 is formed on the upper and lower edges of the outer surface, a plurality of through holes 42 are formed in the side plate 38, and the corners 40 are formed. By combining the lower case 44, the corner portions of the engaging protrusions 24 and 44 are fitted into the recessed grooves 14 and 16, respectively, to prevent the opening of the corners, thereby eliminating the need for a soldering process, thereby improving workability and improving productivity. The deterioration caused by soldering is eliminated, and the separation during repair is also easy.

Description

고전압 발생기용 실드케이스의 결합구조Coupling structure of shield case for high voltage generator

제1도는 본 고안의 사시도.1 is a perspective view of the present invention.

제2도는 본 고안의 분해사시도로서 내장품을 제거한 상태도.2 is an exploded perspective view of the present invention, a state in which the interior is removed.

제3도는 본 고안의 고정체의 평면도.3 is a plan view of the fixture of the present invention.

제4도는 본 고안의 종단면도.Figure 4 is a longitudinal cross-sectional view of the present invention.

제5도는 본 고안 고정체의 모서리부분 사시도.Figure 5 is a perspective view of the corner of the subject innovation.

제6도는 본 고안 모서리부분의 횡단면도.6 is a cross-sectional view of the corner portion of the present invention.

제7도는 본 고안에서 걸림돌기와 통공부분의 횡단면도.7 is a cross-sectional view of the engaging projection and the through portion in the present invention.

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

2 : 수납실 4, 6 : 고정편2: storage room 4, 6: fixed piece

8 : 고정체 10, 26 : 돌출부8: fixture 10, 26: protrusion

12 : 연결부 14, 16 : 요입홈12: connection portion 14, 16: recessed groove

18, 28, 32 : 측판 20 : 프린트기판18, 28, 32: side plate 20: printed board

22 : 개방부 24 : 상부케이스22: opening 24: upper case

27, 38 : 측판 29 : 고정돌부27, 38: side plate 29: fixing protrusion

30 : 걸림돌기 34 : 접지선30: engaging projection 34: ground wire

36, 42 : 통공 40 : 모서리부36, 42: through hole 40: corner portion

44 : 하부케이스44: lower case

본 고안은 공기청정기 등에 주로 사용되는 고전압발생기용 실드케이스의 결합구조에 관한 것으로서, 특히 납땜없이 간편하고 견고히 결합할 수 있도록 한 것이다.The present invention relates to a coupling structure of a shield case for a high voltage generator mainly used in air cleaners, etc., in particular, to enable a simple and robust coupling without soldering.

일반적으로 공기청정기용 음이온 및 오존발생장치, 집진장치, 점화장치 등에 사용되는 고전압발생기(고압unit)는 발진회로와 승압트랜스로 구성하여 필요로 하는 고전압을 얻고 있으며, 발진회로와 승압트랜스는 도전성 금속케이스로 실드(Shield:차폐)하여 고전압발생 과정에서 생성되는 각종 유해전자파의 외부누설을 방지하고 있다.In general, high voltage generators (high pressure units) used in anion and ozone generators, dust collectors, and ignition devices for air cleaners are composed of an oscillation circuit and a boost transformer to obtain the required high voltage.The oscillator circuit and the boost transformer are conductive metals. It is shielded with a case to prevent external leakage of harmful electromagnetic waves generated during high voltage generation.

종래의 고전압발생기는 도전성 금속판을 판금공작하고 서로 접한 부분을 납땜하여 상·하부케이스를 구성한 다음, 하부케이스에 발진회로와 승압트랜스를 갖는 프린트기판을 안치시키고 그 위에 상부케이스를 덮어 씌운 다음, 상·하부케이스를 납땜으로 결합 및 실드하였기 때문에 납땜을 위한 예열과, 예열후의 납땜공정이 소요되어 결합과정이 번거롭고 생산성이 낮으며, 납땜한 외관이 미려하지 못한 등의 문제점이 있었다.In the conventional high voltage generator, the conductive metal plate is made of sheet metal and soldered to each other to form the upper and lower cases. Then, the lower case is placed with the printed circuit board having the oscillation circuit and the boost transformer, and the upper case is covered thereon. · Since the lower case is bonded and shielded by soldering, there are problems such as preheating for soldering and soldering process after preheating, which makes the joining process cumbersome and low in productivity, and the appearance of soldering is not beautiful.

또한 내부 고장에 의한 수리시에도 상·하부 케이스의 납땜을 먼저 제거한 다음 분리해야 하므로 수리를 위한 작업과정 역시 번거로운 문제점이 있었다.In addition, when repairing due to internal failure, the soldering of the upper and lower cases must be removed first and then removed, so the work process for repairing was also troublesome.

본 고안은 상기한 바와같은 종래의 문제점을 해소하기 위하여 고전압발생기용 실드케이스를 납땜없이 간편하고 견고하게 결합할 수 있도록 함을 목적으로 한다.The present invention aims to enable a simple and robust coupling of the shield case for a high voltage generator in order to solve the conventional problems as described above without soldering.

이러한 목적을 달성하기 위하여 도전성 상부케이스의 외면 하측에 다수개의 걸림돌기를 형성하고, 도전성 하부케이스의 측판에 상부케이스의 걸림돌기가 결합되는 통공을 다수 형성하여 상·하부케이스가 납땜없이 결합되게 하고, 프린트기판이 삽설되는 고정체의 모서리에 상·하부케이스의 모서리가 결합되는 ㄱ자 형상의 요입홈을 상·하로 형성하여 상·하부케이스의 모서리 벌어짐이 방지되게 한 것으로 이하 본 고안의 실시예를 첨부한 도면에 따라 상세히 설명하면 다음과 같다.In order to achieve this purpose, a plurality of locking protrusions are formed on the lower side of the outer surface of the conductive upper case, and a plurality of through holes to which the locking protrusions of the upper case are coupled are formed on the side plate of the conductive lower case so that the upper and lower cases are bonded without soldering. The upper and lower sides of the upper and lower cases are formed in the U-shaped indentation grooves coupled with the corners of the upper and lower cases to the corners of the fixture into which the substrate is inserted, thereby preventing the opening of the corners of the upper and lower cases. When described in detail according to the drawings as follows.

제1도는 본 고안의 사시도이고, 제2도는 내장품(발진회로와 승압트랜스가 전기적으로 고정된 프린트기판)을 제거한 상태의 본 고안 분해사시도로서, 프린트기판을 삽입하여 고정할 수 있는 수납실(2)이 형성되고, 양측으로 고정편(4)(6)이 돌설된 고정체(8)의 모서리 외면에 ㄱ자 형상의 돌출부(10)를 연결부(12)로 다소 이격되게 연결하여 연결부(12)의 상·하로 ㄱ자 형상의 요입홈(14)(16)이 형성되게 하고, 고정체(8)의 저면 가장자리에 다수의 요입부(18)를 형성한 다음 발진회로와 승압트랜스를 갖는 프린트기판(20)을 수납실(2)에 끼워 고정한다.FIG. 1 is a perspective view of the present invention, and FIG. 2 is an exploded perspective view of the present invention in which a built-in product (a printed circuit board having an oscillating circuit and a boost transformer electrically fixed) is removed, and a storage room into which a printed board can be inserted and fixed (2). ) Is formed, and the L-shaped projection 10 is connected to the outer surface of the corner of the fixing body 8 in which the fixing pieces 4 and 6 protrude from both sides to be spaced apart somewhat by the connecting part 12 of the connecting part 12. The upper and lower L-shaped recesses 14 and 16 are formed, and a plurality of recesses 18 are formed at the bottom edge of the fixing body 8, and then the printed circuit board 20 having the oscillation circuit and the boost transformer. ) Is fixed to the storage compartment (2).

다소간의 탄성과 도전성을 갖는 금속판을 가공 및 절곡하여 고정체(8)가 끼워질 수 있는 하향개방부(22)가 형성되게 상부케이스(24)를 구성하되, 각 모서리에 돌출부(26)와 요입부(28)를 교대로 형성한 다음 서로 결합하여 모서리끼리 견고히 결합되게 하고, 측판(27)의 하부에는 고정돌부(29)를 저향 형성하고, 측판(27)의 외면 하부에는 다수의 걸림돌기(30)를 돌출형성하고, 모서리의 하단에는 요입부(32)를 형성한 다음 프린트기판(20)의 접지선(34)을 상부케이스의 통공(36)에 끼워서 납땜하여 접지시키고, 또한 개방부(22)에 고정체(8)를 결합하여 제4도 및 제6도와 같이 고정체(8)의 외면에 상부케이스(24)의 내측면이 접하도록 하고, 상부케이스(24)의 모서리가 요입부(32)에 의해 상부요입홈(14)에 결합되게 하고, 고정돌부(28)는 제7도와 같이 고정체의 요입부(18)에 끼워지게 절곡하여 고정체(8)가 상부케이스(24)에 고정되게 한다.The upper case 24 is formed so as to form a downwardly open portion 22 into which the fixing body 8 can be fitted by processing and bending a metal plate having some elasticity and conductivity, with protrusions 26 and yaw at each corner. The mouth 28 is alternately formed and then coupled to each other so that the edges are firmly coupled to each other, and the fixing protrusion 29 is formed at the lower side of the side plate 27, and a plurality of locking protrusions are formed on the lower side of the outer side of the side plate 27. 30 is formed to protrude, and the concave portion 32 is formed at the lower end of the corner, and then the ground wire 34 of the printed circuit board 20 is inserted into the through hole 36 of the upper case and soldered to ground. By coupling the fixing body 8 to the inner surface of the upper case 24 to the outer surface of the fixing body 8 as shown in FIGS. 4 and 6, the corner of the upper case 24 is recessed portion ( 32 to be coupled to the upper recessed groove 14, the fixing projections 28 to the recessed portion 18 of the fixture as shown in FIG. Allows Wars be bent by the fixed body (8) is fixed to the upper case 24.

다소간의 탄성을 갖고 도전성을 띄는 금속판을 상부케이스(24)가 끼워질 수 있게 다소 큰 크기를 갖도록 가장자리를 상향절곡하여 측판(38)을 형성하되, 측판(38)의 모시리에 측판(38)보다 낮게 상향절곡된 모서리부(40)을 형성하고, 측판(38)에는 걸림돌기(3)가 끼워질 수 있는 통공(42)을 다수 형성하여 하부케이스(44)를 구성한 다음, 상부케이스(24)와 하부케이스(44)를 결합하여 모서리부(40)가 하부요입홈(16)에 끼워지게 하고, 걸림돌기(30)가 통공(42)에 끼워져 걸림되게 하여서 된 것이다.The side plate 38 is formed by bending the edge upward to have a somewhat large size so that the upper case 24 can be fitted with a somewhat elastic and conductive metal plate, but rather than the Moshirie side plate 38 of the side plate 38. To form a lower upwardly bent corner portion 40, the side plate 38 forms a plurality of through-holes 42 into which the locking projections 3 can be fitted to form the lower case 44, and then the upper case 24. Combining the lower case 44 with the edge portion 40 is to be fitted into the lower recessed groove 16, the locking projection 30 is to be fitted into the through hole 42 to be caught.

미설명부호Unexplained code

(46)은 고전압출력선46, high voltage output line

(48)은 전원공급선48, power supply line

(50)은 전선삽입공(홈)50 is wire insertion hole (groove)

(52)는 전선체결부52, wire connection part

(54)는 프린트기판 받침턱54 is a printed circuit board support

(56)은 프린트기판 걸림턱56 is a printed circuit board jam

(58)은 프린트기판 삽입홈58 is a printed board insertion groove

(60)은 고정편(4)(6) 삽입홈이다.Reference numeral 60 is an insertion groove 4 and 6 insertion groove.

이와같이 구성하여서 된 본 고안은 통상에서와 같이 고전압발생기의 고정편(4)(6)을 공기청정기나 집진장치 또는 점화장치의 소정위치에 위치시킨 다음 피스(도시않됨)로 고정하고, 고전압출력선(46)은 고압전극(도시않됨)에 접속하고, 전원공급선(48)으로는 동작전원이 인가되게 하여 사용하는 것으로, 상·하부케이스(24)(44)를 결합하면 상부케이스의 걸림돌기(30)가 제4도 및 제7도와 같이 하부케이스의 통공(42)에 결합되어 걸림되므로 상·하부케이스(24)(44)의 분리가 방지된다.According to the present invention, the fixed pieces 4 and 6 of the high voltage generator are positioned at a predetermined position of the air purifier, the dust collector, or the ignition device, and then fixed with a piece (not shown) as usual. 46 is connected to a high voltage electrode (not shown), and the operating power is applied to the power supply line 48. When the upper and lower cases 24 and 44 are coupled to each other, a locking protrusion ( 30 is coupled to the through hole 42 of the lower case as shown in FIGS. 4 and 7, and thus the separation of the upper and lower cases 24 and 44 is prevented.

따라서, 상·하부케이스를 납땜으로 고정할 필요성이 없어지고, 그에 따른 미감저하가 방지되며 또한 다소의 탄성을 띄고 도전성을 갖는 상·하부케이스(24)(44)가 내·외접하므로 접지선(34)을 통하여 케이스의 전체적인 실드가 달성된다.Therefore, the necessity of fixing the upper and lower cases by soldering is eliminated, and the lowering of the upper and lower cases is prevented, and the upper and lower cases 24 and 44 having some elasticity and conductivity are internal and external, so that the ground wire 34 ) The overall shield of the case is achieved.

또한 상부케이스(24)의 모서리가 돌출부(26)와 요입부(28)에 의해 서로 견고히 결합되고 요입부(32)를 갖는 모서리 하단은 제6도와 같이 고정체(8)의 상부요입홈(14)에 결합되므로 상부케이스(24)의 모서리 벌어짐이 방지된다.In addition, the corners of the upper case 24 are firmly coupled to each other by the protrusions 26 and the concave portions 28, and the lower edges of the corners having the concave portions 32 are upper concave grooves 14 of the fixing body 8 as shown in FIG. 6. Since it is coupled to the edge of the upper case 24 is prevented.

내부고장시에는 하부케이스의 측판(38)을 벌여서 결합된 걸림돌기(30)와 통공(42)을 분리시키면서 하부케이스(44)를 밑으로 밀어내리게 되면 상·하부케이스(24)(44)가 쉽게 분리되고 절곡한 상부케이스의 고정돌부(28)를 펴주게 되면 고정체(8)와 상부케이스(24)가 분리되어 프린트기판(20)상의 부품교체 및 수리가 가능해지므로 고장수리를 위한 상·하부케이스(24)(44)의 분리 또한 간편히 할 수 있게 된다.During internal failure, the upper and lower cases 24 and 44 are pushed down while lowering the lower case 44 while separating the engaging projection 30 and the through hole 42 by opening the side plate 38 of the lower case. Unfolding the fixing protrusions 28 of the upper case, which are easily separated and bent, separates the fixing body 8 and the upper case 24 so that parts replacement and repair on the printed circuit board 20 can be performed. The lower case 24, 44 can also be separated easily.

이상에서와 같이 본 고안은 상·하부 실드케이스가 걸림돌기와 통공에 의해 결합되므로 예열 및 납땜과정이 불필요하여 작업성이 간편하고 생산성이 향상되며, 납땜에 따른 미감저하가 제거되고, 수리시의 분리 또한 쉬워지는 등의 효과가 있다.As described above, the present invention is coupled to the upper and lower shield case by the engaging projection and through hole, so that the preheating and the soldering process are unnecessary, so that the workability is simple and the productivity is improved. It also has the effect of being easier.

Claims (2)

수납실(2)에 프린트기판(20)이 설치되고 모서리의 외면 상·하에 ㄱ자 형상의 요입홈(14)(16)를 갖는 고정체(8)에, 걸림돌기(30)와 요입부(32)와 고정돌부(28)를 갖는 상부케이스(24)를 결합하여 모서리가 요입홈(14)에 끼워지게 한 다음 고정돌부(29)를 절곡하여 고정체(8)와 상부케이스(24)를 고정하고, 상부케이스의 통공(36)에 접지선(34)을 접속하여 접지시키고, 다수의 통공(42)이 형성된 측판(38)과 측판(38)보다 낮은 모서리부(40)를 갖는 하부케이스(44)를 상부케이스(24)와 결합하여 걸림돌기(30)와 통공(42)이 결합되어 걸림되게 하고 모서리부(40)는 요입홈(16)에 결합되게 하여서 된 고전압발생기용 실드케이스의 결합구조.A printing substrate 20 is installed in the storage chamber 2, and the locking projection 30 and the indentation portion 32 are formed in the fixed body 8 having the L-shaped recesses 14 and 16 on the upper and lower edges of the outer surface. ) And the upper case 24 having the fixing protrusions 28 so that the edges are fitted into the recessed grooves 14, and then the fixing protrusions 29 are bent to fix the fixing body 8 and the upper case 24. In addition, the ground wire 34 is connected to ground through the through hole 36 of the upper case, and the lower case 44 having a side plate 38 having a plurality of through holes 42 and a lower edge portion 40 than the side plate 38. ) Is coupled to the upper case 24 so that the engaging projection 30 and the through-hole 42 is coupled to be engaged and the corner portion 40 is coupled to the recessed groove 16, the coupling structure of the shield case for high voltage generator . 제1항에 있어서, 상부케이스(24)의 모서리에 돌출부(26)와 요입부(28)를 교대로 형성한 다음 돌출부(26)와 요입부(28)끼리 서로 결합하여서 된 고전압발생기용 실드케이스의 결합구조.The shield case for a high voltage generator according to claim 1, wherein protrusions 26 and recesses 28 are alternately formed at corners of the upper case 24, and then protrusions 26 and recesses 28 are coupled to each other. Combined structure.
KR2019940029877U 1994-11-09 1994-11-09 Combination structure of shield case for high voltage occurrence apparatus KR0123321Y1 (en)

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KR2019940029877U KR0123321Y1 (en) 1994-11-09 1994-11-09 Combination structure of shield case for high voltage occurrence apparatus

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KR0123321Y1 true KR0123321Y1 (en) 1998-12-15

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