KR0130322Y1 - Grid electrode of electronic gun - Google Patents

Grid electrode of electronic gun Download PDF

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Publication number
KR0130322Y1
KR0130322Y1 KR2019940025001U KR19940025001U KR0130322Y1 KR 0130322 Y1 KR0130322 Y1 KR 0130322Y1 KR 2019940025001 U KR2019940025001 U KR 2019940025001U KR 19940025001 U KR19940025001 U KR 19940025001U KR 0130322 Y1 KR0130322 Y1 KR 0130322Y1
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South Korea
Prior art keywords
grid electrodes
cathode
fixed
electron gun
support plate
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KR2019940025001U
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Korean (ko)
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KR960012554U (en
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하종진
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엄길용
오리온전기주식회사
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Priority to KR2019940025001U priority Critical patent/KR0130322Y1/en
Publication of KR960012554U publication Critical patent/KR960012554U/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48Electron guns
    • H01J29/488Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48Electron guns
    • H01J29/485Construction of the gun or of parts thereof

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  • Electrodes For Cathode-Ray Tubes (AREA)

Abstract

본 고안은 브라운관의 네크내부에 봉합되어 형광면의 소망하는 지점에 전자빔을 주사시키는 전자총에 관한 것이다.The present invention relates to an electron gun which is sealed inside the neck of a CRT and scans an electron beam at a desired point of the fluorescent surface.

종래의 전자총은 통상적으로 제1도에 도시한 바와 같이 전자빔형성에 필요한 열을 방출하는 히터(11)가 장착되는 캐소드(10), 다수의 그리드전극(G1~G6) 및 콘버젼스컵(20)을 순차적으로 배열시켜 이들을 한쌍의 비이드글라스(30)사이에 소정간격을 두고 융착고정한 구성으로 이루어져 있다.Conventional electron guns typically have a cathode 10, a plurality of grid electrodes G 1 to G 6 , and a convergence cup (e.g. 20) are arranged in sequence to form a fusion-fixed configuration with a predetermined interval between the pair of bead glass 30.

그런데, 종래의 전자총(1)은 캐소드(10), 다수의 그리드전극(G1~G6) 및 콘버젼스컵(20)등 많은 부품들이 한쌍의 비이드글라스(30)에 조립된 상태에서 융착고정되기 때문에 그 조립작업이 극히 번거로울 뿐만 아니라, 이로 인하여 생산성이 극히 저하되는 문제점이 있었다.However, the conventional electron gun 1 is fused in a state in which many parts such as the cathode 10, the plurality of grid electrodes G 1 to G 6 , and the convergence cup 20 are assembled in a pair of bead glass 30. Since the assembly work is very cumbersome because it is fixed, there was a problem that the productivity is extremely reduced.

따라서, 본 고안의 목적은 이러한 종래의 문제점을 감안하여 안출한 것으로서, 상면에 전자빔통과공이 형성된 원통형상의 몸통하부에서 내측상부로 다수의 그리드전극과, 캐소드가 고정지지되는 캐소드지지판 양측의 고정돌기들을 몸통양측의 안내공을 따라 차례로 삽입시켜 그리드전극과 캐소드지지판을 설치하되, 이들 각 그리드전극과 캐소드 사이에 이들의 간극을 유지할 수 있도록 간극유지구를 각각 끼운 다음, 개구된 몸통하부를 전원이 인가되는 스템부로 폐구하여 몸통내부의 각 부품들이 유동하지 않도록 함으로써, 전자총의 조립을 간편화시킴은 물론이고, 이를 조립하는데 소요되는 생산비용을 극소화시킨 전자총을 제공함에 있다.Therefore, the object of the present invention is devised in view of such a conventional problem, a plurality of grid electrodes and the fixing projections on both sides of the cathode support plate on which the cathode is fixed to the inner upper portion of the cylindrical body formed with the electron beam passing hole on the upper surface Insert the grid electrodes and the cathode support plate by inserting them along the guide holes on both sides of the body, and insert the gap holders to maintain the gap between the grid electrodes and the cathodes, and then apply the power to the lower part of the opened body. By closing the stem part so that the parts inside the body do not flow, simplifying the assembly of the electron gun, as well as providing an electron gun that minimizes the production cost required to assemble it.

이와 같은 목적을 달성하기 위하여 본 고안은 제2도와 같이 상부로 콘버젼스컵(180)이 설치된 몸통(110)의 전극삽입부(120)에 그리드전극(G1-G6)과, 캐소드(170)가 설치된 캐소드지지판(160)을 차례로 삽입하되, 이들 사이사이마다 그 간극에 해당되는 절연부재의 간극유지구(150)를 각각 삽입설치한 다음, 상기한 몸통(110)하부에 다수의 리드핀(190b)이 마련된 스템부(190)를 고정설치하여 전술한 캐소드(170)와, 그리드전극(G1-G6)중 G1,G2,G3 그리드전극에 외부전원을 인가하는 한편, 상기 전극삽입부(120)상부에 위치한 G4,G5,G6 그리드전극에는 몸통(110)외부로 돌출된 그리드전극(G4-G6)의 고정돌기(G4'-G6')들을 두개의 전원인가선(200)으로 각각 연결시킨 다음, 이 전원인가선(200)을 콘버젼스컵(180)에 용접고정한 것이다.In order to achieve the above object, the present invention provides a grid electrode (G1-G6) and a cathode (170) in the electrode insertion portion (120) of the body (110) in which the convergence cup (180) is installed as shown in FIG. Insert the cathode support plate 160 is installed in sequence, and between each of the gap retaining holes 150 of the insulating member corresponding to the gap between the plurality of lead pins (190b) ) Is fixed to the stem portion 190 is provided to apply external power to the cathode 170 and the grid electrodes (G1, G2, G3) of the grid electrodes (G1-G6), the electrode inserting portion 120 G4, G5, G6 grid electrodes located at the upper side connect the fixing projections G4'-G6 'of the grid electrodes G4-G6 protruding outside the body 110 to the two power supply lines 200, respectively. , The power supply wire 200 is fixed to the convergence cup 180 by welding.

Description

전자총Electron gun

제1도는 종래기술에 따른 전자총의 요부측면도.1 is a side view showing main parts of an electron gun according to the related art.

제2도는 본 고안에 따른 전자총의 분해사시도.2 is an exploded perspective view of the electron gun according to the present invention.

제3도는 본 고안에 따른 전자총의 조립상태를 보여주는 측단면도.Figure 3 is a side cross-sectional view showing the assembly state of the electron gun according to the present invention.

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

100 : 전자총 110 : 몸통100: electron gun 110: torso

120 : 전극삽입부 130 : 안내공120: electrode insertion unit 130: guide hole

140 : 안내공 150 : 간극유지구140: guide 150: gap maintenance district

160 : 캐소드지지판 170 : 캐소드160: cathode support plate 170: cathode

190 : 스템부 200 : 전원인가선190: stem portion 200: power supply cable

G1-G6: 그리드전극G 1 -G 6 : grid electrode

본 고안은 브라운관의 네크내부에 봉합되어 형광면의 소망하는 지점에 전자빔을 주사시키는 전자총에 관한 것이다.The present invention relates to an electron gun which is sealed inside the neck of a CRT and scans an electron beam at a desired point of the fluorescent surface.

일반적으로 브라운관은 판넬과 펀넬, 그리고 네크로 조합구성되며, 전술한 네크내측에는 전자총이 설치되며, 이 전자총에서는 청,녹,적의 전자비임이 주사되고, 상기 전자비임들은 편향자계에 의해 소정각도로 편향된 후 판넬내에 장착된 섀도우마스크를 통하여 형광면에 랜딩됨으로써 화상이 재현되도록 하고 있다.In general, a CRT is composed of a panel, a funnel, and a neck, and an electron gun is installed inside the neck. In this electron gun, blue, green, and red electron beams are scanned, and the electron beams are deflected at a predetermined angle by a deflection magnetic field. After that, the image is reproduced by landing on the fluorescent surface through a shadow mask mounted in the panel.

전술한 바와 같이 사용되어지는 종래의 전자총은 통상적으로 제1도에 도시한 바와 같이 전자빔형성에 필요한 열을 방출하는 히터(11)가 장착되는 캐소드(10), 다수의 그리드전극(G1~G6) 및 콘버젼스컵(20)을 순차적으로 배열시켜 이들을 한쌍의 비이드글라스(30)사이에 소정간격을 두고 융착고정한 구성으로 이루어져 있다.The conventional electron gun used as described above is typically a cathode 10 equipped with a heater 11 that emits heat required for electron beam formation, as shown in FIG. 1, and a plurality of grid electrodes G 1 to G. 6 ) and the convergence cup 20 are arranged in sequence to form a fusion-fixed configuration at predetermined intervals between the pair of bead glass 30.

그런데, 종래의 전자총(1)은 캐소드(10), 다수의 그리드전극(G1~G6) 및 콘버젼스컵(20)등 많은 부품들이 한쌍의 비이드글라스(30)에 조립된 상태에서 융착고정되기 때문에 그 조립작업이 극히 번거울 뿐만 아니라, 이로 인하여 생산성이 극히 저하되는 문제점이 있었다.However, the conventional electron gun 1 is fused in a state in which many parts such as the cathode 10, the plurality of grid electrodes G 1 to G 6 , and the convergence cup 20 are assembled in a pair of bead glass 30. Since the assembly work is extremely cumbersome because it is fixed, there is a problem that the productivity is extremely reduced.

따라서, 본 고안의 목적은 이러한 종래의 문제점을 감안하여 안출한 것으로서, 상면에 전자빔통과공이 형성된 원통형상의 몸통하부에서 내측상부로 다수의 그리드전극과, 캐소드가 고정지지되는 캐소드지지판 양측의 고정돌기들을 몸통양측의 안내공을 따라 차례로 삽입시켜 그리드전극과 캐소드지지판을 설치하되, 이들 각 그리드전극과 캐소드 사이에 이들의 간극을 유지할 수 있도록 간극유지구를 각각 끼운 다음, 개구된 몸통하부를 전원이 인가되는 스템부로 폐구하여 몸통내부의 각 부품들이 유동하지 않도록 함으로써, 전자총의 조립을 간편화시킴은 물론이고, 이를 조립하는데 소요되는 생산비용을 극소화시킨 전자총을 제공함에 있다.Therefore, the object of the present invention is devised in view of such a conventional problem, a plurality of grid electrodes and the fixing projections on both sides of the cathode support plate on which the cathode is fixed to the inner upper portion of the cylindrical body formed with the electron beam passing hole on the upper surface Insert the grid electrodes and the cathode support plate by inserting them along the guide holes on both sides of the body, and insert the gap holders to maintain the gap between the grid electrodes and the cathodes, and then apply the power to the lower part of the opened body. By closing the stem part so that the parts inside the body do not flow, simplifying the assembly of the electron gun, as well as providing an electron gun that minimizes the production cost required to assemble it.

이와 같은 목적을 달성하기 위하여 본 고안은 상부에 설치되는 콘버젼스컵의 전자빔통과공과 대응하는 전자빔통과공이 마련된 몸통내부에 그리드전극과 캐소드지지판이 차례로 삽입되는 전극삽입부를 형성하되, 이에 설치되는 각 그리드전극과 캐소드 사이에 이들의 간극을 유지할 수 있도록 두께가 각기 다른 간극유지구를 다수개 형성하는 한편, 전술한 몸통의 양측벽부에 그리드전극과 캐소드지지판 양측으로 마련된 고정돌기가 슬라이드되어 다수의 그리드전극과 캐소드지지판이 전극삽입부에 삽입고정되도록 안내공을 대향형성하여서 된 특징이 있다.In order to achieve the above object, the present invention forms an electrode inserting portion in which a grid electrode and a cathode support plate are sequentially inserted into a body provided with an electron beam passing hole corresponding to an electron beam passing hole of a convergence cup installed thereon, and each grid installed thereon. While forming a plurality of gap retaining zones having different thicknesses to maintain the gap between the electrode and the cathode, the fixed projections provided on both sides of the above-described body on both sides of the grid electrode and the cathode support plate is slid, so that a plurality of grid electrodes And the cathode support plate is characterized in that the guide hole is formed so as to be inserted and fixed to the electrode insertion portion.

이하, 본 고안의 바람직한 일실시예를 첨부도면에 의거하여 상세히 설명한다.Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

제2도는 본 고안에 따른 전자총의 분해사시도이고, 제3도는 이에 따른 전자총의 조립상태를 보여주는 측단면도로서, 원통형 절연부재로 형성된 소정길이의 몸통(110) 내부에 다수의 그리드전극(G1-G6)과, 캐소드(170)가 고정지지되는 캐소드지지판(160)이 차례로 삽입될 수 있도록 전극삽입부(120)를 형성한 다음, 전술한 몸통(110)상면에는 그 위에 고정설치되는 콘버젼스컵(180)의 전자빔통과공(미도시)과 동일한 전자빔통과공(130)을 형성하는 한편, 전술한 몸통(110)의 양측벽에 전극삽입부(120)로 삽입되는 그리드전극(G1-G6)과 캐소드지지판(160) 양측의 고정돌기(G1'-G6')(160')가 슬라이드되면서 몸통(110)바깥으로 돌출되도록 안내공(140)을 대향형성한다.Figure 2 is an exploded perspective view of the electron gun according to the present invention, Figure 3 is a side cross-sectional view showing the assembly state of the electron gun according to, a plurality of grid electrodes (G1-G6) inside the body 110 of a predetermined length formed of a cylindrical insulating member ), And the electrode inserting portion 120 is formed so that the cathode support plate 160 to which the cathode 170 is fixed is sequentially inserted, and then the convergence cup (fixedly installed on the upper surface of the body 110) ( While forming the same electron beam through hole 130 of the electron beam through hole (not shown) of 180, and the grid electrode (G1-G6) is inserted into the electrode inserting portion 120 on both side walls of the body 110 described above; Fixing protrusions G1'-G6 'and 160' of both sides of the cathode support plate 160 slide to form the guide holes 140 so as to protrude out of the body 110.

이와 같이 형성된 몸통(110)의 전극삽입부(120)에 그리드전극(G1-G6)과, 캐소드(170)가 설치된 캐소드지지판(160)을 차례로 삽입하여 고정하게 되는데, 이들 각 그리드전극(G1-G6)과 캐소드지지판(160)에는 각기 다른 외부전원이 인가되므로 이들의 각기 다른 간극을 정확히 유지시켜주어야 한다.The grid electrodes G1-G6 and the cathode support plate 160 on which the cathodes 170 are installed are sequentially inserted into and fixed to the electrode insertion part 120 of the body 110 formed as described above. Since the G6) and the cathode support plate 160 are applied with different external power sources, the gaps thereof must be accurately maintained.

그래서, 이들 각 그리드전극(G1-G6)과 캐소드지지판(160)사이의 간극에 해당되는 원통형상의 간극유지구(150)를 다수개 형성한 다음, 전술한 그리드전극(G1-G6)과 캐소드지지판(16) 사이사이에 그 간극에 해당되는 절연부재의 간극유지구(150)를 각각 삽입한다.Thus, a plurality of cylindrical clearance retaining holes 150 corresponding to the gaps between the grid electrodes G1-G6 and the cathode support plate 160 are formed, and then the aforementioned grid electrodes G1-G6 and the cathode support plate are formed. Between each of the gaps 16, the gap retaining holes 150 of the insulating member corresponding to the gaps are inserted.

전술한 몸통(110)내에 각 그리드전극(G1-G6)과 캐소드지지판(160), 그리고 간극유지구(150)가 제자리를 찾아 삽입되면, 개구된 몸통(110) 하부에 다수의 리드핀(190b)이 관통설치된 스템(190a) 및 배기관(190c)등으로 구성된 스템부(190)를 고정설치하여 전술한 캐소드(170)와, 그리드전극(G1-G6)중 G1,G2,G3 그리드전극에 외부전원이 인가되도록 하는 한편, 전극삽입부(120)상부에 위치한 G4,G5,G6 그리드전극에 콘버젼스컵(160)의 벌브스페이스(181)를 통해 인가된 외부전원을 인가하게 되는데, 이들에 외부전원을 인가하기 위해서는 전술한 몸통(110)외부로 돌출된 그리드전극(G1-G3)의 고정돌기(G1'-G3')들을 두개의 전원인가선(200)으로 각각 연결시킨 다음, 이 전원인가선(200)을 콘버젼스컵(180)에 용접고정하면 된다.When each of the grid electrodes G1-G6, the cathode support plate 160, and the gap retention hole 150 are inserted into the body 110, the lead pins 190b are disposed under the opened body 110. ) Is fixed to the stem portion 190 composed of a stem 190a and an exhaust pipe 190c installed therethrough, and external to the above-described cathode 170 and G1, G2, G3 of the grid electrodes G1-G6. While the power is applied, the external power applied through the bulb space 181 of the convergence cup 160 is applied to the G4, G5, and G6 grid electrodes positioned on the electrode insertion unit 120. In order to apply power, the fixing protrusions G1'-G3 'of the grid electrodes G1-G3 protruding from the outside of the body 110 are connected to the two power supply lines 200, respectively. The wire 200 may be welded to the convergence cup 180.

위에서 설명한 전자총(100)의 구조는 본 고안의 한 가능한 실시에에 불과하며, 예컨대 이 전자총(100)의 구성 및 형상은 앞서 설명한 본 고안의 범위내에서 얼마든지 그 변경이 가능하다.The structure of the electron gun 100 described above is only one possible implementation of the present invention, and the configuration and shape of the electron gun 100 may be changed as many as possible within the scope of the present invention described above.

이와 같이 구성된 본 고안은 전자총(100)을 조립완성하고자 할 시에는, 상부로 콘버젼스컵(180)이 설치된 몸통(110)의 전극삽입부(120)에 그리드전극(G1-G6)과, 캐소드(170)가 설치된 캐소드지지판(160)을 차례로 삽입하되, 이들 사이사이마다 그 간극에 해당되는 절연부재의 간극유지구(150)를 각각 삽입설치한 다음, 전술한 몸통(110)하부에 다수의 리드핀(190b)이 관통설치된 스템(190a) 및 배기관(190c)등으로 구성된 스템부(190)를 고정설치하여 전술한 캐소드(170)와, 그리드전극(G1-G6) 중 G1,G2,G3 그리드전극에 외부전원을 인가하는 한편, 전극삽입부(120)상부에 위치한 G4,G5,G6 그리드전극에는 전술한 몸통(110)외부로 돌출된 그리드전극(G4-G6)의 고정돌기(G4'-G6')들을 두개의 전원인가선(200)으로 각각 연결시킨 다음, 이 전원인가선(200)을 콘버젼스컵(180)에 용접고정하여 이들에 외부전원을 인가한다.When the present invention configured as described above is intended to complete the assembly of the electron gun 100, the grid electrode (G1-G6) and the cathode in the electrode insertion portion 120 of the body 110, the convergence cup 180 is installed at the top Insert the cathode support plate 160, which is installed 170, in turn, and between each of the gap retaining holes 150 of the insulating member corresponding to the gap between the plurality of the lower body 110, The stem portion 190 including the stem 190a and the exhaust pipe 190c, through which the lead pin 190b is installed, is fixed and installed, and G1, G2, and G3 among the cathodes 170 and the grid electrodes G1-G6 described above. While applying external power to the grid electrode, the fixing projections G4 'of the grid electrodes G4-G6 protruding outside the body 110 to the G4, G5, and G6 grid electrodes positioned on the electrode insertion unit 120. -G6 ') to each of the two power supply wires 200, and then welding the power supply wires 200 to the convergence cup 180 to fix them. Apply external power to.

전술한 바와같이 본 고안은 상면에 전자빔통과공(130)이 형성된 몸통(110)의 전극삽입부(120)하부에서 내측상부로 다수의 그리드전극(G1-G6)과, 캐소드(170)가 고정지지되는 캐소드지지판(160)양측의 고정돌기(G1'-G6')(160')들을 몸통(110)양측의 안내공(140)을 따라 차례로 삽입시켜 그리드전극(G1-G6)과 캐소드지지판(160)을 설치하되, 이들 각 그리드전극(G1-G6)과 캐소드지지판(160)사이에 이들의 간극을 유지할 수 있도록 크기가 각기 다른 간극유지구(150)를 각각 끼운 다음, 개구된 몸통(110)하부를 전원이 인가되는 스템부(190)로 폐구하여 몸통(110) 내부의 각 부품들이 유동하지 않도록 하는 동시에 G1,G2,G3그리드전극에 외부전원을 인가하고, G4,G5,G6그리드전극의 고정돌기(G4'-G6')들을 두개의 전원인가선(200)으로 각각 연결시킨 후 이 전원인가선(200)을 콘버젼스컵(180)에 용접고정함으로써, 전자총(100)의 조립을 간편화시킴은 물론이고, 이를 조립하는데 소요되는 생산비용을 극소화시킨 효과가 있다.As described above, the present invention has a plurality of grid electrodes G1-G6 and cathodes 170 fixed from the lower part of the electrode insertion part 120 to the inner part of the body 110 having the electron beam passing hole 130 formed thereon. Grid electrodes (G1-G6) and cathode support plates (1) are sequentially inserted along guide holes (140) on both sides of the body (110) to fix the projections (G1'-G6 ') (160') on both sides of the supported cathode support plate (160). 160, but each of the grid electrode (G1-G6) and the cathode support plate 160 to insert the gap retaining holes 150 of different sizes so as to maintain their gap between each, then opened the body 110 Closing the lower part to the stem part 190 to which power is applied to prevent the parts inside the body 110 from flowing, and simultaneously applying external power to the G1, G2, and G3 grid electrodes, and applying the G4, G5, and G6 grid electrodes. The fixing projections (G4'-G6 ') of the two power supply wires 200, respectively, and then connect the power supply wires 200 to the convergence cup 180. By fixing contact, and as well as Sikkim simplify the assembly of the electron gun 100, there is an effect that minimizes the production cost of assembling it.

Claims (1)

상부로 콘버젼스컵(180)이 설치된 몸통(110)의 전극삽입부(120)에 그리드전극(G1-G6)과, 캐소드(170)가 설치된 캐소드지지판(160)을 차례로 삽입하되, 이들 사이사이마다 그 간극에 해당되는 절연부재의 간극유지구(150)를 각각 삽입설치한 다음, 상기한 몸통(110)하부에 다수의 리드핀(190b)이 마련된 스템부(190)를 고정설치하여 전술한 캐소드(170)와, 그리드전극(G1-G6)중 G1,G2,G3 그리드전극에 외부전원을 인가하는 한편, 상기 전극삽입부(120) 상부에 위치한 G4,G5,G6그리드전극에는 몸통(110)외부로 돌출된 그리드전극(G4-G6)의 고정돌기(G4'-G6')들을 두개의 전원인가선(200)으로 각각 연결시킨 다음, 이 전원인가선(200)을 콘버젼스컵(180)에 용접고정하는 것을 특징으로 한 전자총.The grid electrodes G1-G6 and the cathode support plate 160 having the cathode 170 are sequentially inserted into the electrode insertion portion 120 of the body 110 having the convergence cup 180 installed therebetween, and between them. After inserting and installing the gap retaining holes 150 of the insulating member corresponding to the gaps each time, the stem portion 190 provided with a plurality of lead pins (190b) is fixed to the lower portion of the body 110 as described above An external power source is applied to the cathode 170 and the G1, G2, and G3 grid electrodes of the grid electrodes G1-G6, while the body 110 is connected to the G4, G5, and G6 grid electrodes positioned on the electrode insertion part 120. Each of the fixing projections G4'-G6 'of the grid electrodes G4-G6 protruding outwards is connected to the two power supply lines 200, and then the power supply lines 200 are connected to the convergence cup 180. Electron gun characterized in that the welding fixed to).
KR2019940025001U 1994-09-28 1994-09-28 Grid electrode of electronic gun KR0130322Y1 (en)

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