JPS581947A - Apparatus for enclosing enclosure in high-pressure discharge lamp - Google Patents

Abstract

PURPOSE:To improve starting voltage and life characteristics of a discharge lamp without providing a capsule for containing an enclosure and a pipe for containing the capsule by a construction wherein an apparatus for enclosing the enclosure is supplied wit a vacuum suction passage for discharging air from a light emission tube through an exhaust pipe to make the tube vacuous, one end of the passage being allowed to communicate with a container for containing the enclosure. CONSTITUTION:An assembly 8 provided in a body that can be made upright and brought down for keeping airtight an exhaust pipe communicating with a light emission tube 1 is not equipped in its inside lower portion with an enclosure container 13 provided, in a manner that the container may communicate with said exhaust pipe, for containing an enclosure 5 such as mercury weighed out to the quantity required for the light emission tube 1, and with a vacuum suction passage at one end of the container for discharging air from said light emission tube 1 through the exhaust pipe to keep the tube vacuous; consequently, a enclosure-containing capsule and a capsule-containing pipe are unnecessary, and this also makes it unnecessary to heat-weld the capsule-containing pipe and the exhaust pipe together and to insert the enclosure- containing capsule into the capsule-containing pipe, permitting productivity not to be reduced while improving the starting voltage and life characteristics of a discharge lamp.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to @cough which encapsulates 4IIJ in the light emission 'th of a high pressure discharge lamp.

Generally, there is an inclusion in the light emission 1fP'3 of a high-pressure metal vapor discharge lamp.
For example, to inject water or a halide, use #! "It was sealed as shown in the figure. In other words, the one shown in No. 11 was connected to the inside of 1 arc tube + 11 and was connected to the burner etc. (
(not shown) and heat weld the capsule.
An inclusion storage capsule 141 stores an enclosure (5) weighed according to the amount of electricity necessary for one arc tube inside the container tube 13).
' is inserted and held, attach the capsule accommodation tube attachment part (61K!) that holds the capsule accommodation tube (31 airtight),
After exhausting the emitted light f111 yen into the high manufacturer through the entire gap between the merchant goods storage capsule +41 and the inner wall of the capsule storage tube (3), the 9 emitted light %1 (1) is stored in the 1 capsule storage tube +31. / Turn over the luminous tube 11 along with the capsule housing tube mounting part 16+ in the direction of the arrow so that it is located low, and remove the capsule inside the capsule (41j).
5) Light emission 1 through the capsule accommodation pipe + 31 and OjO exhaust pipe + 21! ? I paid +11 yen.

However, in the above-mentioned enclosure, an inclusion storage capsule +41 and a capsule storage tube 13) are required, and many steps are required to heat and weld the capsule storage tube (31) to the exhaust pipe (2). , exhaust pipe 12)
Capsule housing tube (
3) Are there any inclusions inside? There was a drawback in that it required a lot of effort to fully insert the enclosed object storage capsule (4).

In addition, since the capsule housing tube (3) is heated and welded with a burner, etc., the water droplets generated by the combustion are welded 1 flS (71
It adheres to the inside of the nearby exhaust pipe (2) and capsule housing tube (31) [9] It has the drawback that it increases the humidity inside the arc tube (1), which affects the starting voltage of the discharge lamp and the life characteristics. Ta.

This invention was made in view of the 4flif system, and it can extend the starting magnetic pressure of 9-lamp lamps without the need for an inclusion storage capsule or capsule storage, and without reducing productivity. The purpose of this project is to provide a device containing a high-pressure flashlight that can improve its characteristics. An exhaust pipe N part is held in an exhaust pipe mounting part that communicates with the inside of the luminous bone, and a part N is provided in the lower part of the exhaust pipe mounting part so as to communicate with the exhaust pipe, and there is a jet necessary for each luminous tube r inside. The enclosure is characterized by having a vacuum intake passage that communicates with the enclosure at one end and evacuates the arc tube V3 to a vacuum through an exhaust pipe. It is.

An embodiment of the present invention will be described below with reference to FIG. In FIG. 2, the same or equivalent parts as in FIG. 1 are designated by the same reference numerals as in FIG. 1.

Further, in this embodiment, the interior of the arc tube of a high-pressure metal vapor taillight is evacuated, and a substance such as water roots is sealed therein. 18
) is a body that can be raised up and down (not shown).
At the attachment part, an insertion hole 19 for one arc tube (exhaust pipe 12 communicating with the inside of 11) is provided in the entire center of the lid body, and the exhaust gas W+21 is passed through and held airtightly in the central part of the lid body. It is composed of a receiving part α2 having a mouth rubber ULL. ,(
Reference numeral 131 denotes an entry-proof housing part provided to airtightly communicate with the mouth rubber of the exhaust f mounting part (8) (the exhaust f+2 at the bottom of Ill), and the inside contains the necessary amount for each arc tube mountain. An entry-resistant material (5) such as mercury weighed in the pupil is accommodated. [141 is formed on the side wall of the upper part of the entry-resistant material storage part a3 and opposite to the upside down position 1 of the device. X full suction passage,
+151 is integrally provided at the lower part of the receiving part uz of the exhaust pipe mounting part (8), and has one end communicating with the inclusion storage part (731) via the vacuum suction passage (141) and connects the arc tube Ill with the vacuum suction passage (141). This is a vacuum suction pipe for evacuating the inside through the exhaust pipe;
1 and 1 are connected to an exhaust system (not shown) and a starting rare gas filling device such as argon.

In the above configuration, first, the main body which can be raised and lowered is held in an upward position, and the cover f of the exhaust pipe attachment part (8) is
Insert the exhaust pipe (2) into the insertion hole 191L provided in the illuminant tube (
Inclusions such as mercury weighed in the amount required for 11 + 51 t
l-Inclusion storage section (stored in 131).

Next is the exhaust pipe 12) insertion hole of Luminous Aoyama! 91 and into the logo ULL provided at the receiving part opening of the exhaust pipe mounting part (8), so that the lower end surface of the exhaust pipe 12+ and the enclosure fi (131) are close to each other. Fully operate to compress the mouth rubber (II) and keep the exhaust pipe (2) airtight.

Next, an exhaust system (not shown) is used to create a true 9 suction pipe u!
11 Pass through the complete passageway and enter the enclosure tlull,
The exhaust pipe (2) and the arc tube stack P3 are evacuated to create a high vacuum, and impurity gas such as mercury in the filler (5) is discharged.

The main body, which can be tilted up and down, is placed in the right 411117 for the vacuum suction passage (14+1 without the vacuum suction passage 141), and the arc tube (1) is placed in the entry-proof storage area [ 1
31. Then, as a result of this overturning, the inclusions (5) such as mercury stored in the enclosure 03 are removed from the enclosure 03 through the exhaust pipe (2).
After that, it moves to the inside of the arc tube and is sealed. After the filling of the filler (5) such as mercury is completed, the rare gas at a predetermined pressure is filled into the arc tube +11V3 using a starting rare gas filling device such as argon (not shown). ) Cut the seal and finish the exhaust work.

That is, in the present invention, the exhaust pipe attachment part 181 is provided in the main body of the up-and-down structure and communicates with the interior of one arc tube mountain, and the exhaust pipe mounting part 181 is kept airtight. The lower part of part 3 is provided so as to communicate with the exhaust pipe, and therein is an enclosure (5) of mercury or the like placed in a scale at the required position for the luminous tube +11, and the luminescent tube is placed at the end. This is because it does not include an enclosure storage section (131) equipped with a suction passage for evacuating the inside of the tube (11) to a vacuum through an exhaust pipe.

Production of the inclusions storage capsule and capsule storage W' does not require a necessary container tube, there is no need to heat weld the capsule storage tube and the exhaust pipe, and there is no need to fully insert the inclusions storage capsule into the capsule storage tube. Z<.

Furthermore, it is possible to provide a 91J enclosure rIL for a high-pressure metal vapor discharge lamp that improves the starting voltage and life characteristics of the discharge lamp.

Next, an embodiment of the present invention shown in FIG. 2 is shown in FIG.
(+m) and the distance between the main electrodes is 70.0 (++a++J) quartz glass arc tube 1 of a general 400 watt high pressure mercury lamp.
00 exhaust; I will explain the process by enclosing vIJ'R people.

It is made of stainless steel and has an inner diameter of 2.5 (dark) and a radius of 30 (- Then, an exhaust pipe insertion hole for the exhaust pipe attachment part is made in the enclosure housing which is equipped with one vacuum suction passage with an inner diameter of 25 (-) above the inner bottom part.

It contains a weighed 73 (m) of water fiB and communicates with the inside of the primary arc tube.The inner diameter is 2.5 (■) and the outer diameter is 4.
．． 5 (,) and the length is 90. Insert the quartz glass exhaust pipe shown in (■) into the mouth rubber of the exhaust pipe attachment part, and operate the exhaust pipe attachment part to compress the mouth rubber so that the end face of the exhaust pipe and the enclosure chamber are close to each other. After keeping the exhaust pipe airtight, evacuate the inclusions removal parts, the exhaust pipe, and the arc tube P3 to a high vacuum through the vacuum suction pipe, the passage, and the exhaust system shown in Figure 9. Invert the main body together with the arc tube so that the arc tube is positioned lower than the enclosure chamber on the side where the vacuum suction passage is not provided.1. As a result of filling the arc tube with argon at a predetermined pressure and sealing the arc tube from the exhaust V and completing the exhaust work, all the arc tubes were filled with a predetermined amount of mercury, and the starting voltage was low. It was confirmed that the conventional product was superior to the conventional product in terms of life and life characteristics.

The effects of the inclusion device of this invention could be fully confirmed.

In addition, in the 1 ml example, we congratulated the implementation of the filling and exhaust of the arc tube of a general 400 watt high pressure mercury lamp, but not only the arc tube of other high pressure mercury lamps, but also cadmium or A small amount of zinc (tomo-
It has been confirmed that this method can be applied to the filling and exhaust of arc tubes of high-pressure mercury lamps containing ten thousand metals or metal group halides, and is equally effective. In addition, in the above-mentioned embodiment,
The inclusions storage area is made of stainless steel.

Although we have talked about the case where the interior of the enclosure accommodating part is not divided and there is only one empty suction passage, there are also cases where the seal and the person accommodating area are not made of stainless steel. ], the inside of the cutlery storage area may be divided into multiple parts. Even if there are multiple suction passages, or if the dimensions of the cased container storage area are other than 11i12, there will be no interpolation effect. It goes without saying that this can be obtained.

As described in detail above, the present invention has an exhaust pipe attachment part that is provided in a tiltable main body and that airtightly holds the exhaust gas that communicates with the inside of the two arc tubes so that the lower part of the interior thereof communicates with the exhaust pipe. The arc tube is provided with a JIC empty suction passage for completely storing mercury, etc. weighed at the required position in the arc tube, and at one end for exhausting the interior of the arc tube through an exhaust pipe. Since it is equipped with an inclusions storage section, there is no need for an inclusions storage capsule or a capsule storage tube, and there is no need to heat weld the capsule storage tube and the exhaust pipe. It is possible to provide a complete filling device for double-positive discharge lamps, which can improve the starting voltage and life characteristics of the discharge lamp without reducing productivity since there is no need to arrange storage capsules. The effect is very large.

[Brief explanation of drawings]

FIG. 1 is an explanatory diagram illustrating a device for inserting an enclosure into the arc tube of a conventional steam discharge lamp. FIG. 2 is a sectional view showing one embodiment of the present invention. Note that the same line numbers in each figure indicate the same or corresponding parts. +11 is the arc tube, (21 is the exhaust pipe, (51 is the mouthpiece for one inclusion, +81 is the Fi exhaust pipe installation part, T131 is the inclusion storage part. The ring is the vacuum suction passage. Agent Nobu Kuzuno -

Claims (1)

[Claims] The main body can be raised and tilted, and the exhaust connected to the inside of the high-pressure flashlight's arc tube is installed on this main body! Exhaust V system 5#i to keep airtight
part, an inclusion storage part provided in the lower part of the exhaust pipe mounting part so as to communicate with the swing bone, and storing therein the necessary enclosures for the arc tube l plow; A is a true full intake passage whose one end communicates with the storage part and which exhausts the metal brother'1fPi to a vacuum through the exhaust front, and the true full intake passage is opposite to the front main body's rotation1IJl+ta+fi! I
A device for enclosing an enclosure for a high-pressure discharge lamp, which is provided so as to be located at a position of 1.