KR20110134688A - Short arc lamp having inductive groove for removal of impurity gas - Google Patents

Short arc lamp having inductive groove for removal of impurity gas Download PDF

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Publication number
KR20110134688A
KR20110134688A KR1020100054412A KR20100054412A KR20110134688A KR 20110134688 A KR20110134688 A KR 20110134688A KR 1020100054412 A KR1020100054412 A KR 1020100054412A KR 20100054412 A KR20100054412 A KR 20100054412A KR 20110134688 A KR20110134688 A KR 20110134688A
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KR
South Korea
Prior art keywords
impurity gas
electrode
main electrode
short arc
electrode lead
Prior art date
Application number
KR1020100054412A
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Korean (ko)
Inventor
권기봉
Original Assignee
피엠라이트 주식회사
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Application filed by 피엠라이트 주식회사 filed Critical 피엠라이트 주식회사
Priority to KR1020100054412A priority Critical patent/KR20110134688A/en
Publication of KR20110134688A publication Critical patent/KR20110134688A/en

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    • 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
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J61/26—Means for absorbing or adsorbing gas, e.g. by gettering; Means for preventing blackening of the envelope
    • 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
    • H01J61/366—Seals for leading-in conductors

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  • Discharge Lamp (AREA)

Abstract

The present invention relates to a short arc lamp having an induction groove for removing impurity gas, wherein main electrodes 10 are coupled to and fixed to electrode lead rods 20 at opposite ends of a spherical light emitting tube 50, respectively. An end of the electrode lead rod 20 is a short arc clamp fixed to the base 30. The electrode lead rod 20 coupled to the main electrode 10 by being coupled to the main electrode 10 is supplied with gas inside the light emitting tube 50. One or more impurity gas removal guide grooves (26a) in the longitudinal direction for guiding the impurity gas in the internal gap (S) between the main electrode 10 and the electrode lead rod 20 is completely removed in the exhaust process It relates to a short arc lamp having an induction groove for removing impurity gas, characterized in that formed integrally.
Therefore, when the short arc lamp is used, the impurity gas contained in the main electrode 10 flows into the light emitting tube 50 to prevent the impurity gas from degrading the performance and lifetime of the short arc lamp. In the gas exhaust process inside the light emitting tube 50, the impurity gas contained in the internal gap S of the main electrode is completely discharged and removed, thereby preventing the performance of the short arc lamp due to the impurity gas and extending the life.

Description

SHORT ARC LAMP HAVING INDUCTIVE GROOVE FOR REMOVAL OF IMPURITY GAS}

The present invention relates to a short arc lamp having an induction groove for removing impurity gas, and more specifically, the impurity gas contained in the main electrode 10 is leaked into the light emitting tube 50 when the short arc lamp is used. In order to prevent the impurity gas from degrading the performance and the life of the short arc lamp, the impurity gas contained in the internal gap S of the main electrode is completely discharged and removed in the gas exhaust process inside the light emitting tube 50 in the short arc lamp manufacturing process. The present invention relates to a short arc lamp having an induction groove for removing impurity gas, which is configured to prevent performance degradation of the short arc lamp due to impurity gas and to prolong its life.

In general, the electrode of the conventional short arc lamp is fixedly coupled to one side of the electrode lead rod (shank) 2 to the main electrode (main electrode of the positive electrode and the negative electrode) 1 by being tightly fitted.

1 is a side cross-sectional view showing a short arc lamp of the prior art.

As shown in FIG. 1, the conventional short arc lamp has a predetermined empty space inside the main electrode 1 in which one side of the electrode lead rod 2 fixed to the base 3 is inserted and fixed. An internal gap S is formed, and the internal gap 3 is a structure in which impurity gas containing particulate impurities is inherent in the assembly manufacturing process.

That is, the above-described short arc lamp according to the related art has a light emitting tube 5 in which an impurity gas in a state embedded in the internal gap S of the main electrode 1 is one of the manufacturing processes before the short arc lamp is used as a finished product. The impurity gas contained in the internal gap S of the sealed main electrode 1 is not completely removed in the gas discharge process of the light emitting tube 5 which discharges the gas inside and replaces the gas for encapsulation. It is a structure inherent in the internal gap S of 1).

Therefore, the electrode of the conventional short arc lamp as described above is sealed while the main electrode 1 in which the short arc lamp emits heat in comparison with the electrode lead rod (shank) 2 when light is emitted in the field is expanded. A minute gap is formed in the outer peripheral surface portion of the electrode lead rod 2 interviewed with the main electrode 10 in a state, and the impurity gas contained in the internal gap S of the main electrode 1 is discharged through the minute gap. (5) There is a problem in that it is leaked as it is inside to reduce the performance and life of the short arc lamp.

The present invention is to overcome the above-mentioned conventional problems, an object of the present invention is to the outer circumferential surface interviewed with the main electrode 10 of the electrode lead rod 20 in the gas exhaust process inside the light emitting tube 50 in the manufacturing process Impurities composed of a structure that prevents the deterioration of the performance of the short arc lamp by the impurity gas and extends the life by completely discharging and removing the impurity gas contained in the internal gap S of the main electrode through the formed impurity gas removal guide groove 26a. It is to provide a short arc lamp having an induction groove for degassing.

Still another object of the present invention is to provide air into the air spray nozzle (not shown) in the electrode manufacturing process through the air inlet guide groove 26b formed on the other side of the electrode lead rod 20 on which the impurity gas removal guide groove 26a is formed. Blowing out the impurity gas contained in the internal gap (S) of the main electrode 10 to discharge through the impurity gas removal guide groove 26a to provide a short arc lamp having an induction groove for removing impurity gas There is.

Another object of the present invention is a metal thin film 40 is wrapped around the outer circumferential surface of the electrode lead rod 20 to be coupled to the main electrode 10 to be coupled to the main electrode 10 is sealed and one or more impurities in the longitudinal direction The gas removal guide groove 26a is integrally formed, and is embedded in the internal gap S between the main electrode 10 and the electrode lead rod 20 in the exhaust process of discharging the gas inside the light emitting tube 50. The present invention provides a short arc lamp having an induction groove for removing impurity gas, wherein the impurity gas is completely removed and at the same time, the impurity gas discharged from the main electrode 10 to the light emitting tube 50 is absorbed and removed.

The object of the present invention is that the main electrode (main electrode of the positive electrode and the negative electrode) 10 is opposite to each other is fixed to the electrode lead rods 20 are disposed at both ends of the spherical light emitting tube 50, the electrode lead rods ( An end of 20 is a short arc fixed to the base 30, and an exhaust process for discharging the gas inside the light emitting tube 50 to the electrode lead rod 20 is forcibly fitted to the main electrode 10 At least one impurity gas removal guide groove 26a is integrally formed in the longitudinal direction to guide the impurity gas contained in the internal gap S between the main electrode 10 and the electrode lead rod 20 to be completely removed. It is achieved by a short arc lamp having an induction groove for removing impurity gas according to the present invention.

As described above, the short arc lamp having the induction groove for removing the impurity gas according to the present invention is assembled at the time of assembling an electrode forcing the one side of the electrode lead rod 20 into the main electrode 10 in the short arc lamp manufacturing process. Impurities contained in the internal gap S of the main electrode 10 may be smoothed by smoothly flowing air through the guide groove 26a for removing impurity gas formed between the main electrode 10 and the electrode lead rod 20. The gas is minimized, and the impurity gas contained in the internal gap S of the main electrode 10 is completely discharged and removed in the gas exhaust process inside the light emitting tube 50, thereby preventing the performance of the short arc lamp due to the impurity gas. It has the effect of extending the life.

In addition, by purifying the air through the air inlet guide groove (26b) to the air injection nozzle (not shown) in the electrode manufacturing process to remove the impurity gas contained in the internal gap (S) of the main electrode 10 for the impurity gas After discharging through the guide groove 26a and removing the primary, it is embedded in the internal gap S between the main electrode 10 and the electrode lead rod 20 in the exhaust process of discharging the gas inside the light emitting tube 50. Molybdenum in which the impurity gas is discharged through one or more impurity gas removal guide grooves 26a and completely removed, and the impurity gas discharged from the main electrode 10 to the light emitting tube 50 serves as a getter. Absorption and removal in the metal thin film 40 has an effect of improving the yield to completely remove the impurity gas.

1 is a side cross-sectional view showing a short arc lamp of the prior art.
2 is a side cross-sectional view schematically showing a short arc lamp having an induction groove for removing impurity gas according to an embodiment of the present invention.
3 is a longitudinal sectional view showing a plane cut along II ′ of FIG. 2;

In order to achieve the object as described above, the short arc lamp having the induction groove for removing impurity gas according to the present invention has a main electrode (anode or cathode) 10 at each end of a spherical light emitting tube 50, each of which has an electrode lead rod. (Shank) 20 is fixedly coupled to the opposite side, the end of the electrode lead rod 20 is fixed to the base 30 connected to the terminal 33 at one end, it is forcibly fitted to the main electrode 10 In the electrode lead rod 20, the impurity gas contained in the internal gap S between the main electrode 10 and the electrode lead rod 20 is completely filled in the exhaust process of discharging the gas inside the light emitting tube 50. At least one impurity gas removal guide groove 26a is formed integrally in the longitudinal direction to guide the removal.

Hereinafter, a short arc lamp having an induction groove for removing impurity gas according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

2 and 3, a short arc lamp having an induction groove for removing impurity gas according to an embodiment of the present invention is shown.

FIG. 2 is a side cross-sectional view schematically illustrating a short arc lamp having an induction groove for removing impurity gas according to an embodiment of the present invention, and FIG. 3 is a longitudinal cross-sectional view illustrating a plane cut along line II ′ of FIG. 2. .

As shown in FIGS. 2 and 3, a short arc lamp having an induction groove for removing impurity gas according to an embodiment of the present invention has main electrodes (positive electrodes of positive and negative electrodes) at both ends of a spherical light emitting tube 50. 10 are respectively coupled to the electrode lead rods 20 so as to face each other, and the ends of the electrode lead rods 20 are fixed to the base 30. The electrode lead rod 20 coupled to the main electrode 10 by force is coupled between the main electrode 10 and the electrode lead rod 20 in an exhausting process for discharging the gas inside the light emitting tube 50. At least one impurity gas removal guide groove 26a is integrally formed in the longitudinal direction to guide the impurity gas contained in the internal gap S to be completely removed.

Therefore, when assembling an electrode forcibly fitting one side portion of the electrode lead rod 20 into an interior formed in a shape corresponding to one side portion of the electrode lead rod 20 from the rear end of the head of the main electrode 10 to the inside. Impurities contained in the internal gap S of the main electrode 10 may be smoothed by smoothly flowing air through the guide groove 26a for removing impurity gas formed between the main electrode 10 and the electrode lead rod 20. The gas is minimized, and the guide groove 26a for removing impurity gas completely discharges and removes the impurity gas contained in the internal gap S of the main electrode 10 in the gas exhaust process inside the light emitting tube 50. It has a function of preventing the deterioration of the short arc lamp by gas and extending the life.

The air inlet guide groove 26b is further formed in the longitudinal direction at the other side of the electrode lead rod 20 in which the guide groove 26a for removing the impurity gas is formed, and through the air inlet guide groove 26b, (Not shown) to discharge the impurity gas contained in the internal gap (S) of the main electrode 10 through the impurity gas removal guide groove 26a to be removed.

In addition, a getter that absorbs the impurity gas discharged from the main electrode 10 to the light emitting tube 50 on an outer circumferential surface of the electrode lead rod 20 that is coupled to the main electrode 10 and coupled to the main electrode 10. The molybdenum metal thin film 40 serving as a getter is wrapped to seal the outer circumferential surface portion of the electrode lead rod 20 that is interviewed with the main electrode 10.

Therefore, by purifying the air through the air inlet guide groove (26b) to the air injection nozzle (not shown) in the electrode manufacturing process for removing the impurity gas contained in the internal gap (S) of the main electrode 10 for the impurity gas After discharging through the guide groove 26a and removing the primary, it is embedded in the internal gap S between the main electrode 10 and the electrode lead rod 20 in the exhaust process of discharging the gas inside the light emitting tube 50. Molybdenum in which the impurity gas is discharged through one or more impurity gas removal guide grooves 26a and completely removed, and the impurity gas discharged from the main electrode 10 to the light emitting tube 50 serves as a getter. Absorbed and removed by the metal thin film 40, the impurity gas is completely removed.

By the above-described configuration, the short arc lamp having the induction groove for removing the impurity gas according to the preferred embodiment of the present invention is manufactured as follows.

First, one side of the electrode lead rod 20 is forcibly inserted into the main electrode 10 of the short arc lamp having the induction groove for removing impurity gas according to an embodiment of the present invention to assemble the electrode. At this time, the getter that absorbs the impurity gas discharged from the main electrode 10 to the light emitting tube 50 on the outer circumferential surface of the electrode lead rod 20 that is coupled to the main electrode 10 and coupled to the main electrode 10. In the state in which the molybdenum metal thin film 40 serving as a wrapper is sealed, one side of the electrode lead rod 20 is forcibly inserted into the main electrode 10 as described above, thereby coupling the main electrode 10 of the electrode lead rod 20. Assemble to seal the outer circumferential surface to be interviewed. In this way, the air flow is smoothed through the guide groove 26a for removing impurity gas formed between the main electrode 10 and the electrode lead rod 20 at the inside of the metal thin film 40 to which the interference electrode is assembled. The impurity gas inherent in the internal gap S of the electrode 10 is minimized.

After assembling the electrode as described above, the purged air is blown through the air inlet guide groove 26b into a separate air spray nozzle (not shown) to impurity gas contained in the internal gap S of the main electrode 10. It may be discharged through the guide groove 26a for removing impurity gas to be removed.

Thereafter, the electrode lead rods 20 are assembled to the main electrodes 10 at opposite ends of the light emitting tube 50 while the electrode 33 is fixed to the base 30 to which the terminals 33 are connected.

Thereafter, in the exhaust process of discharging the gas inside the light emitting tube 50, the impurity gas contained in the internal gap S between the main electrode 10 and the electrode lead rod 20 is used for removing one or more impurity gases. At the same time, the impurity gas is secondarily absorbed and removed from the molybdenum metal thin film 40 serving as a getter while the impurity gas is completely removed through the guide groove 26a.

On the other hand, the impurity gas removal guide groove (26a) and the air inlet guide groove (26b) may be formed in one or more integrally concave in the longitudinal direction on the inner peripheral surface of the main electrode (10). That is, when one or more impurity gas removal guide grooves 26a and air inlet guide grooves 26b are formed on the inner circumferential surface of the main electrode 10, one side portion of the electrode lead rod (shank) 20 is forcibly inserted and coupled thereto. Internal gap between the main electrode 10 to facilitate air flow through the guide groove 26a for removing impurity gas formed between the inner surface of the main electrode 10 and the inside of the metal thin film 40 surrounding the electrode lead rod 20. The impurity gas inherent in (S) can be minimized.

Although the technical spirit of the present invention has been described in detail according to the above preferred embodiment, it should be noted that the above embodiment is for the purpose of description and not of limitation. In addition, those skilled in the art will understand that various embodiments are possible within the scope of the technical idea of the present invention.

10. Main electrode S. Internal gap
20. Electrode Lead Rod 26a. Guide groove for removing impurity gas
26b. Air inlet guide groove 30. Base
33.Terminal 40.Metal thin film
50. Light tube

Claims (3)

At both ends of the spherical light emitting tube 50, the main electrodes 10 are respectively coupled to the electrode lead rods 20 so as to face each other, and the ends of the electrode lead rods 20 are short arcs fixed to the base 30. In the lamp,
An internal gap between the main electrode 10 and the electrode lead rod 20 is formed in the electrode lead rod 20 that is forcibly fitted to the main electrode 10 in an exhausting process for discharging the gas inside the light emitting tube 50. A short arc lamp having an induction groove for removing impurity gas, characterized in that at least one impurity gas removal guide groove (26a) is integrally formed in the longitudinal direction to guide the removal of the impurity gas inherent in (S).
The air inlet guide groove 26b is further formed in the longitudinal direction on the other side of the electrode lead rod 20 in which the impurity gas removal guide groove 26a is formed. Impurity gas removal, characterized in that for blowing the air through the air spray nozzle through the impurity gas contained in the internal gap (S) of the main electrode 10 through the guide groove (26a) for removing the impurity gas to be removed Short arc lamps with induction grooves.
The impurity gas discharged from the main electrode 10 to the light emitting tube 50 on an outer circumferential surface of the electrode lead rod 20 that is forcibly inserted into and coupled to the main electrode 10. Induced groove for removing impurity gas, characterized in that the outer surface of the molybdenum metal thin film 40, which serves as a getter is absorbed is wrapped to be sealed to the main electrode 10 of the electrode lead rod 20 Having a short arc lamp.
KR1020100054412A 2010-06-09 2010-06-09 Short arc lamp having inductive groove for removal of impurity gas KR20110134688A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100054412A KR20110134688A (en) 2010-06-09 2010-06-09 Short arc lamp having inductive groove for removal of impurity gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100054412A KR20110134688A (en) 2010-06-09 2010-06-09 Short arc lamp having inductive groove for removal of impurity gas

Publications (1)

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KR20110134688A true KR20110134688A (en) 2011-12-15

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