WO2021029456A1 - 동축 케이블형 플라즈마 램프 장치 - Google Patents
동축 케이블형 플라즈마 램프 장치 Download PDFInfo
- Publication number
- WO2021029456A1 WO2021029456A1 PCT/KR2019/010276 KR2019010276W WO2021029456A1 WO 2021029456 A1 WO2021029456 A1 WO 2021029456A1 KR 2019010276 W KR2019010276 W KR 2019010276W WO 2021029456 A1 WO2021029456 A1 WO 2021029456A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- discharge tube
- discharge
- coaxial cable
- lamp device
- cable type
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/10—Shields, screens, or guides for influencing the discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
- H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
Definitions
- the present invention relates to a coaxial cable type plasma lamp device, and more particularly, by forming a metal mesh structure on the outside of the discharge tube to realize an electromagnetic wave blocking effect, to enhance heat resistance, as well as to secure the transparency of the discharge tube, and
- the present invention relates to a coaxial cable type plasma lamp device capable of adjusting the light transmittance of a discharge tube by adjusting the line width and pitch in the mesh structure.
- Light Emitting Plasma lamp is a power supply that supplies power to an RF amplifier, an RF oscillator that provides an initial signal, and an RF that amplifies the signal received from the RF oscillator using the power applied from the power supply. It is located in the strongest electric field of RF Cavity, a separate RF Cavity for applying a strong electric field to the discharge tube by receiving the amplifier, amplified RF, a heat dissipation structure for dissipating heat generated by thermal loss among RF energy. It is composed of a discharge tube (Bulb) that receives RF energy and emits plasma light due to an inert gas and a halogen compound inside.
- the ITO thin film coating treatment film formed on the outer surface of such a discharge tube is vulnerable to heat and is denatured, so there is a technical limitation in shortening the life of the discharge tube due to heat generated inside the discharge tube.
- a coaxial cable type plasma lamp apparatus for achieving the above object includes: a discharge tube filled with a discharge gas and in which plasma discharge occurs through the discharge gas; An inner conductor that penetrates through one side of the discharge tube and is installed inside the discharge tube; And a grid-shaped outer conductor provided on the outer surface of the discharge tube.
- the outer conductor is characterized in that it is a metallic grid pattern formed through silk screen printing on the outer surface of the discharge tube.
- the outer conductor is characterized in that the metal mesh structure is detachably coupled to the outer surface of the discharge tube.
- one end of the inner conductor is exposed to the outside of the discharge tube, and the other end of the inner conductor is installed within the discharge tube at a predetermined distance from the other side of the discharge tube.
- it further includes a protective film surrounding the inner conductor to protect the inner conductor from ion bombardment caused by the occurrence of plasma discharge.
- the protective film is a tubular structure surrounding the inner conductor, one end of the protective film is exposed to the outside through one side of the discharge tube in an open state, and the other end of the protective film is closed inside the discharge tube. It is characterized in that it is installed with a predetermined distance from the other side of the discharge tube.
- the discharge tube further includes an insertion guide tube for inducing the insertion of the inner conductor so that the inner conductor can be inserted through the open end of the protective film.
- the present invention by forming a metal mesh structure outside the discharge tube, electromagnetic wave blocking effect can be realized, heat resistance can be enhanced, and transparency of the discharge tube can be secured.
- FIG. 1 is a view showing the structure of a coaxial cable type plasma lamp device according to an embodiment of the present invention
- FIG. 2 is an enlarged view of area A in FIG. 1;
- FIG. 3 is a view showing the structure of a metal mesh structure coupled to a discharge tube according to another embodiment of the present invention.
- FIG. 4 is a view showing a state in which the metal mesh structure of FIG. 3 is coupled to a discharge tube.
- a coaxial cable type plasma lamp device includes a discharge tube (Bulb) 110, an inner conductor 120, a protective film 130, an insertion guide tube 170, and a metallic grid. It includes a mold pattern 190.
- the discharge tube 110 is filled with a discharge gas and a compound including an inert gas, and plasma discharge occurs through the discharge gas when an electromagnetic wave is introduced into the discharge tube 110 from the outside through a coaxial cable.
- the discharge gas may include a gas or solid powder including an inert gas such as Ar, a compound, and sulfur (Sulfur).
- an inert gas such as Ar, a compound, and sulfur (Sulfur).
- the interior of the discharge tube 110 is filled with a discharge gas, plasma discharge occurs through the discharge gas through energy transfer to the discharge gas by the incoming electromagnetic wave, and the inside of the outer side 111 of the discharge tube 110
- An insertion guide tube 170 for inducing the insertion of the inner conductor 120 so that the inner conductor 120 can be inserted into the discharge tube 110 is formed in the outer direction of the discharge tube 110.
- a metallic grid pattern 190 is formed on the outer surface of the discharge tube 110 in a configuration to block electromagnetic waves, and this metallic grid pattern 190 is a silk screen printing technique on the outer surface of the discharge tube 110 It may be formed through, or may be formed by extrapolating a metal mesh structure to the outside of the discharge tube.
- FIG. 2 is an enlarged view of area A in FIG. 1.
- the manufacturer adjusts the line width of the pattern 190 in the metallic grid pattern 190 formed on the outer surface of the discharge tube 110,
- the light transmittance of [3/(1+2+3)] can be adjusted as much as necessary (eg, 90%).
- the manufacturer adjusts the spacing (WMR, that is, the size of the grid) of the pattern 190 in the metallic grid pattern formed on the outer surface of the discharge tube 110 according to the wavelength of the electromagnetic wave generated inside the discharge tube 110 By doing so, it is possible to effectively block outflow of electromagnetic waves.
- WMR spacing
- the spacing that is, the size of the grid
- the metallic grid pattern 190 is continuously formed from the other side 112 of the discharge tube 110 in the direction of the one side 111 of the discharge tube 110, It may be formed over the entire surface or may be formed only in a part of the discharge tube 110.
- the metallic socket functioning as an impedance matching section is coupled around one side 111 of the discharge tube 110
- the metallic socket partially coupled to the outer surface of the discharge tube 110 is used to block external conductors and electromagnetic waves. Since the function is performed, it would be preferable not to form the metallic lattice pattern 190 at the coupling portion of the metallic socket.
- a metal material forming the metallic lattice pattern 190 in practicing the present invention a material such as aluminum, chromium, nickel, copper, or a metal compound may be used.
- FIG. 3 is a view showing the structure of a metal mesh structure 180 coupled to the discharge tube 110 according to another embodiment of the present invention.
- the metal mesh structure 180 in FIG. 3 is a metal mesh manufactured in the form of a cylindrical mesh with one side open, and may replace the function of the metallic grid pattern 190 in FIG. 1.
- silk screen printing may not be easy on the curved portions of the left and right sides of the discharge tube 110, whereas the metal mesh structure 180 in FIG. 3 is manufactured by a screen printing method or a separate structure manufacturing method, so that the discharge tube ( 110), so it is possible to improve the production yield compared to the silk screen printing method.
- the manufacturer is detachably coupled to the discharge tube 110 in which the metallic grid pattern 190 is not formed on the outer surface by covering the metal mesh structure 180 as shown in FIG. 4.
- the metal wire constituting the metal net structure 180 in FIG. 3 also has the same arrangement structure as in FIG. 2, and the manufacturer has the metal in the metal net structure 180 detachably coupled to the discharge tube 110.
- the thickness of the wire rod it is possible to adjust the light transmittance [3/(1+2+3)] on the outer surface of the discharge tube 110 by a necessary degree (eg, 90%).
- the metal mesh structure 180 in the present invention being detachably coupled to the discharge tube 110, there is a need for maintenance according to the aging of the metal mesh structure 180, or the need to adjust the light transmittance of the discharge tube 110 If there is, the user can replace and install the metal mesh structure 180 in the discharge tube 110.
- the metal mesh structure 180 is coupled and installed in a direction from the other side 112 of the discharge tube 110 to the one side 111 of the discharge tube 110, and is installed to surround the entire surface of the discharge tube 110. It may be installed to cover only a part of the discharge tube 110.
- the metallic socket when a metallic socket functioning as an impedance matching section is coupled around one side 111 of the discharge tube 110, the metallic socket partially coupled to the outer surface of the discharge tube 110 is used to block external conductors and electromagnetic waves. In terms of performing a function, it would be desirable to prevent the metal mesh structure 180 from being installed at the coupling portion of the metallic socket.
- a material such as aluminum, chromium, nickel, copper, or a metal compound may be used as the metal material constituting the metal network structure 180.
- the protective film 130 in FIG. 1 is installed to surround the inner conductor 120 to protect the inner conductor 120 from ion bombardment caused by the occurrence of plasma discharge, and as shown in FIG. 1, the insertion guide tube 170 ) And the connection end of the discharge tube 110, a protective layer 130 is formed in the inner direction of the discharge tube 110, which is a direction opposite to the direction in which the insertion guide tube 170 is formed.
- the protective film 130 is a tubular structure surrounding the inner conductor 120, and one end of the protective film 130 is inserted into the induction tube 170 at the connection end of the insertion guide tube 170 and the discharge tube 110. It is connected or separated, and in the practice of the present invention, the inner conductor 120 inserted through the open end of the insertion guide tube 170 is continuously inserted into the inside of the protective film 130 and wrapped by the protective film 130.
- the inner surface of the protective film 130 is preferably formed to be continuously formed at the inner surface of the insertion guide tube 170 and the connection end of the insertion guide tube 170 and the discharge tube 110. .
- the protective film 130 in the form of a tubular structure surrounding the inner conductor 120, the glass film coating treatment on the outer surface of the inner conductor 120, which has been conventionally performed, is not required.
- one end of the protective film 130 is exposed to the outside through the one side 111 of the discharge tube 110 while being opened through the insertion induction tube 170, so that the open end of the protective film 130 Through the inner conductor 120 can be inserted and installed into the inside of the protective film 130, and the other end of the protective film 130 is blocked and the other side 112 of the discharge tube 110 and the predetermined It is installed with a separation distance of.
- the separation distance between the end of the protective film 130 and the inner surface of the discharge tube 110 is 30% to 70% of the total length in the installation direction of the inner conductor 120 of the discharge tube 110 It would be desirable to make it a degree.
- the inner conductor 120 penetrates the one side 111 of the discharge tube 110 and is installed inside the discharge tube 110, so that one end of the inner conductor 120 is exposed to the outside of the discharge tube 110. Meanwhile, the other end of the inner conductor 120 is also installed in the interior of the discharge tube 110 with a predetermined distance from the other side 112 of the discharge tube 110.
- the other end of the inner conductor 120 is installed within the discharge tube 110 at a predetermined distance from the other side 112 of the discharge tube 110, so that the inner conductor 120 is ), it is possible to secure an efficient installation structure of the protective film 130 surrounding the inner conductor 120 compared to the case where it is installed so as to penetrate through the both side surfaces 111 and 112 of ).
- the protective film 130 has a structure that is opened only at one end and the other end is closed, so that manufacturing efficiency and structural stability can be secured compared to the protective film that must be manufactured to open both ends. .
- the inner conductor 120 is formed inside the discharge tube 110 and the outer conductor is formed outside the discharge tube 110, so that the inner conductor 110 and the outer conductor are caused by a change in ambient temperature due to the characteristic of the coaxial cable structure.
- the RF impedance varies only with the relative size value of the diameter of the inner conductor and the diameter of the outer conductor, so even if the inner conductor 120 and the outer conductor contract and expand due to changes in ambient temperature, they expand at the same rate. As long as the RF impedance is constant, the energy transfer to the discharge tube is kept constant.
- the present invention is recognized for its industrial applicability in the industrial field related to plasma devices.
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Electromagnetism (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Abstract
Description
Claims (3)
- 방전 가스로 충진되고, 상기 방전 가스를 통해 플라즈마 방전이 일어나는 방전관; 및상기 방전관의 일측면을 관통하여 상기 방전관의 내부에 설치되는 내부 도체(Inner Conductor); 및상기 방전관의 외부면에 구비되는 격자형 외부 도체(Outer Conductor)를 포함하는 동축 케이블형 플라즈마 램프 장치.
- 제1항에 있어서,상기 외부 도체는,상기 방전관의 외부면에 실크 스크린 인쇄를 통해 형성되는 금속성 격자형 패턴인 것인 동축 케이블형 플라즈마 램프 장치.
- 제1항에 있어서,상기 외부 도체는,상기 방전관의 외부면에 착탈 가능하게 결합되는 금속망 구조체인 것인 동축 케이블형 플라즈마 램프 장치.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/KR2019/010276 WO2021029456A1 (ko) | 2019-08-13 | 2019-08-13 | 동축 케이블형 플라즈마 램프 장치 |
KR1020227000982A KR20220020906A (ko) | 2019-08-13 | 2019-08-13 | 동축 케이블형 플라즈마 램프 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/KR2019/010276 WO2021029456A1 (ko) | 2019-08-13 | 2019-08-13 | 동축 케이블형 플라즈마 램프 장치 |
Publications (1)
Publication Number | Publication Date |
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WO2021029456A1 true WO2021029456A1 (ko) | 2021-02-18 |
Family
ID=74570684
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2019/010276 WO2021029456A1 (ko) | 2019-08-13 | 2019-08-13 | 동축 케이블형 플라즈마 램프 장치 |
Country Status (2)
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KR (1) | KR20220020906A (ko) |
WO (1) | WO2021029456A1 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1069890A (ja) * | 1996-08-27 | 1998-03-10 | Matsushita Electric Ind Co Ltd | 無電極放電ランプ装置 |
KR20070107436A (ko) * | 2006-05-03 | 2007-11-07 | 주식회사 에프텍 | 무전극 조명기기의 공진기 및 그 제조방법 |
KR100831209B1 (ko) * | 2005-03-14 | 2008-05-21 | 엘지전자 주식회사 | 무전극 조명기기의 공진기 구조 |
KR20100095526A (ko) * | 2007-11-16 | 2010-08-31 | 세라비젼 리미티드 | 마이크로파 동력식 광원 |
KR101434581B1 (ko) * | 2014-03-25 | 2014-08-26 | (주)대영전장시스템 | 전자파 차폐 기능을 갖는 야외용 조명 |
-
2019
- 2019-08-13 WO PCT/KR2019/010276 patent/WO2021029456A1/ko active Application Filing
- 2019-08-13 KR KR1020227000982A patent/KR20220020906A/ko not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1069890A (ja) * | 1996-08-27 | 1998-03-10 | Matsushita Electric Ind Co Ltd | 無電極放電ランプ装置 |
KR100831209B1 (ko) * | 2005-03-14 | 2008-05-21 | 엘지전자 주식회사 | 무전극 조명기기의 공진기 구조 |
KR20070107436A (ko) * | 2006-05-03 | 2007-11-07 | 주식회사 에프텍 | 무전극 조명기기의 공진기 및 그 제조방법 |
KR20100095526A (ko) * | 2007-11-16 | 2010-08-31 | 세라비젼 리미티드 | 마이크로파 동력식 광원 |
KR101434581B1 (ko) * | 2014-03-25 | 2014-08-26 | (주)대영전장시스템 | 전자파 차폐 기능을 갖는 야외용 조명 |
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Publication number | Publication date |
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KR20220020906A (ko) | 2022-02-21 |
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