JPS63138629A - Manufacture of light emitting tube for high pressure metallic vapor discharge lamp - Google Patents
Manufacture of light emitting tube for high pressure metallic vapor discharge lampInfo
- Publication number
- JPS63138629A JPS63138629A JP28309786A JP28309786A JPS63138629A JP S63138629 A JPS63138629 A JP S63138629A JP 28309786 A JP28309786 A JP 28309786A JP 28309786 A JP28309786 A JP 28309786A JP S63138629 A JPS63138629 A JP S63138629A
- Authority
- JP
- Japan
- Prior art keywords
- support tube
- electrode support
- disc
- disk
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 abstract description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 8
- 239000010955 niobium Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 229910052758 niobium Inorganic materials 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、高圧ナトリウムランプ等の高圧金属蒸気放
電灯用の発光管の製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method of manufacturing an arc tube for a high pressure metal vapor discharge lamp such as a high pressure sodium lamp.
−ａに、高圧ナトリウムランプ等の高圧金属蒸気放電灯
においては、セラミック管と、電極を支持するニオブ管
などからなる電極支持管と、該セラミック管の両端に固
着され電極支持管を支持するディスクとからなる発光管
を備えている。そして該発光管においては、ランプの動
作電圧は主として電極の発光管内への突出する距離によ
って決まるので、ランプ毎の動作電圧の変動が少なくな
るように、電極支持管とディスクとは正確に位置決めさ
れて固着されている。-a, in a high-pressure metal vapor discharge lamp such as a high-pressure sodium lamp, there is a ceramic tube, an electrode support tube made of a niobium tube or the like that supports the electrode, and a disk that is fixed to both ends of the ceramic tube and supports the electrode support tube. It is equipped with a luminous tube consisting of. In the arc tube, the operating voltage of the lamp is mainly determined by the distance the electrode protrudes into the arc tube, so the electrode support tube and the disk must be precisely positioned to reduce variations in operating voltage from lamp to lamp. It is fixed.
従来、かかる電極支持管とディスクとの位置決め手段と
しては、第６図に示すように、電極１１を先端に支持し
たＮｂバイブからなる電極支持管１２の表面に、軸方向
にＴａ、 Ｎｂなどからなる位置決め用ワイヤー１３を
溶接により固着し、該電極支持管１２をアルミナディス
ク１４の支持孔内に挿通して、前記位置決め用ワイヤー
１３により所定位置に保持させるようにしたものが知ら
れている。なお第６図において１５はアルミナ管で、該
アルミナ管１５の両端に前記電極保持管１２を支持した
アルミナディスク１４を固着して発光管１６を構成して
いる。Conventionally, as a means for positioning the electrode support tube and the disk, as shown in FIG. 6, the surface of the electrode support tube 12 made of a Nb vibrator supporting the electrode 11 at its tip is coated with Ta, Nb, etc. in the axial direction. It is known that a positioning wire 13 is fixed by welding, the electrode support tube 12 is inserted into a support hole of an alumina disk 14, and the positioning wire 13 is held in a predetermined position. In FIG. 6, reference numeral 15 denotes an alumina tube, and alumina disks 14 supporting the electrode holding tube 12 are fixed to both ends of the alumina tube 15 to form an arc tube 16.
また第７図＾、■）に示すように、位置決め用ワイヤー
１７を電極支持管１２の軸方向ではなく、水平方向に３
ケ所に溶接して取り付け、位置決め部材として用いる方
法も提案されている。In addition, as shown in Fig. 7 ^,
A method has also been proposed in which it is attached by welding to a location and used as a positioning member.
更にはまた、第８図＾、（Ｂ）に示すように、Ｎｂバイ
ブからなる電極支持管１２の表面の一部を削り起こして
、壁面から突出する突片１８を形成し、該突片１８で位
置決めを行うようにしたものとか、あるいは第９図に示
すように、Ｎｂバイブからなる電極支持管１２を軸方向
において２個所を一体的に押し潰して、ひた寄せ部１９
を形成し、該ひた寄せ部１９を位置決め部材として利用
する手段等が提案されている。Furthermore, as shown in FIG. 8, (B), a part of the surface of the electrode support tube 12 made of a Nb vibrator is scraped and raised to form a protruding piece 18 that protrudes from the wall surface. Alternatively, as shown in FIG. 9, two parts of the electrode support tube 12 made of a Nb vibrator are integrally crushed in the axial direction to form a folded part 19.
A method has been proposed in which the gathered portion 19 is formed as a positioning member.
Ｃ発明が解決しようとする問題点〕
ところが、上記第６図及び第７図（８）、田）に示した
位置決め手段は、別個にＴａ、 Ｎｂワイヤー等の位置
決め部材を必要とするばかりでなく、溶接作業時には特
殊な工具を必要とし、その作業が煩雑で時間がかかると
いう問題点がある。C Problems to be Solved by the Invention] However, the positioning means shown in FIGS. 6 and 7 (8) above not only requires separate positioning members such as Ta and Nb wires, but also However, there is a problem in that special tools are required during welding work, and the work is complicated and time-consuming.
また第８図＾、田）に示した手段は、別個の位置決め用
部材を必要とはしないものの、突片を削り起こして突出
形成するために特殊な工具を必要とし、所望の突片を正
確に形成するのは困難であるという問題点があり、また
第９図＾、田）に示した、軸方向にひだ寄せ部を形成す
る方法は、ひだ寄せ部の形成工程が複雑で、工程の自動
化が困難である等の問題点がある。Furthermore, although the means shown in Figure 8^, 1) does not require a separate positioning member, it does require a special tool to cut and raise the protrusion to form a protrusion, and it is difficult to precisely position the desired protrusion. Furthermore, the method shown in Fig. 9, which involves forming a shirred part in the axial direction, requires a complicated process for forming the shirred part, and the process is slow. There are problems such as difficulty in automation.
本発明は、従来の高圧金属蒸気放電灯発光管における電
極支持管のディスクへの位置決め手段の上記問題点を解
消するためになされたもので、別個の位置決め用部材を
必要とせず、位置決め工程の自動化が容易で、コストの
低減化を計ることができる高圧金属蒸気放電灯発光管の
製造方法を捷供することを目的上する。The present invention has been made in order to solve the above-mentioned problems of the positioning means for positioning the electrode support tube to the disk in the conventional high-pressure metal vapor discharge lamp arc tube. The object of the present invention is to provide a method for manufacturing a high-pressure metal vapor discharge lamp arc tube that is easy to automate and can reduce costs.
〔問題点を解決するための手段及び作用〕上記問題点を
解決するため、本発明は、電極支持管を固着したディス
クを両端に備えた高圧金属蒸気放電灯発光管の製造方法
において、前記電極支持管を前記ディスクの支持孔に挿
通したのち、ディスクの少なくとも一端面において電極
支持管を径方向に押圧変形させ、電極支持管とディスク
とを位置決め保持させるようにするものである。[Means and effects for solving the problems] In order to solve the above-mentioned problems, the present invention provides a method for manufacturing a high-pressure metal vapor discharge lamp arc tube having disks at both ends to which electrode support tubes are fixed. After the support tube is inserted into the support hole of the disk, the electrode support tube is pressed and deformed in the radial direction on at least one end surface of the disk, so that the electrode support tube and the disk are held in position.
このようにして高圧金属蒸気放電灯発光管を製造するこ
とにより、電極支持管とディスクとの位置決めを別個の
部材を用いずに、簡単な工程で行うことができ、容易に
位置決め工程の自動化を計ることが可能となる。By manufacturing the high-pressure metal vapor discharge lamp arc tube in this way, the electrode support tube and the disk can be positioned in a simple process without using separate members, and the positioning process can be easily automated. It becomes possible to measure.
（実施例）
以下実施例について説明する。第１Ｖ！Ｊ＾、■）は本
発明に係る高圧金属蒸気放電灯発光管の製造方法の一実
施例の実施に用いる製造装置の一部を断面で示す上面図
と、そのＡ−Ａ ’線に沿った部分断面図である６図に
おいて、１はアルミナディスクで、２は該ディスク１の
支持孔内に挿通され先端に電極３を支持したニオブパイ
プ等からなる電極支持管で、ディスクｌと電極支持管２
とは、それぞれ別個の図示しない支持機構により定位置
に保持されるようになっている。４，５．６は変形用刃
で、電極支持管２に向けて１２０°の間隔をおいて３方
向に配置されており、ディスクｌの上端面１ａに沿って
矢印方向に進退できるように構成されている。(Example) Examples will be described below. 1st V! J^, ■) is a top view showing a cross section of a part of the manufacturing apparatus used for carrying out an embodiment of the method for manufacturing a high-pressure metal vapor discharge lamp arc tube according to the present invention, and a top view taken along the line A-A'. In FIG. 6, which is a partial cross-sectional view, 1 is an alumina disk, and 2 is an electrode support tube made of a niobium pipe or the like that is inserted into a support hole of the disk 1 and supports an electrode 3 at its tip.
and are held in place by separate support mechanisms (not shown). Deformation blades 4, 5.6 are arranged in three directions at 120° intervals toward the electrode support tube 2, and are configured to move forward and backward in the direction of the arrow along the upper end surface 1a of the disk l. has been done.
このように構成された製造装置において、図示しない支
持機構によりディスク１に対してＴ！１極支持管２を所
定位置にセントしたのち、変形用刃４゜５．６を矢印方
向に内側に向けて所定量移動させる。これにより第２図
＾、田）の一部断面で示す上面図と、そのＢ−Ｂ ’線
に沿った断面図でみられるように、電極支持管２はディ
スク１の上端面１ａの近傍において３方向より一定量変
形し、断面が正三角形状の変形部７が形成される。そし
てこの変形部７により電極支持管２はディスク１に対し
て所定位置に位置決めされる。In the manufacturing apparatus configured as described above, a support mechanism (not shown) allows T! to be applied to the disk 1. After the monopole support tube 2 is centered in a predetermined position, the deforming blade 4°5.6 is moved inward in the direction of the arrow by a predetermined amount. As a result, the electrode support tube 2 is positioned near the upper end surface 1a of the disk 1, as shown in the partial cross-sectional top view of FIG. The deformed portion 7 is deformed by a certain amount from three directions and has an equilateral triangular cross section. The deformed portion 7 positions the electrode support tube 2 at a predetermined position relative to the disk 1.
この際、電極支持管２のディスク１の支持孔の内壁部に
位置する部分は、変形されないでそのまま無変形部２ａ
となっており、この無変形部２ａは後工程の電極支持管
２とディスクＩとのフリットによるシール工程により、
倍量性の高いシール部を形成することができる。At this time, the portion of the electrode support tube 2 located on the inner wall of the support hole of the disk 1 is not deformed and remains as the undeformed portion 2a.
This undeformed portion 2a is formed by a sealing process using a frit between the electrode support tube 2 and the disk I in the subsequent process.
It is possible to form a seal portion with high multiplicity.
第３図は、かかる工程により電極支持管２を位置決め支
持し固着したディスク１を、アルミナ管８の両端に固着
して完成させた発光管９を示す。FIG. 3 shows an arc tube 9 completed by fixing the disk 1, which has positioned, supported and fixed the electrode support tube 2 through the above process, to both ends of the alumina tube 8.
第４図は、本発明の第２実施例により形成された電極支
持管２とディスク１の位置決め支持Ｂ様を示す断面図で
ある。この実施例は、変形刃の３方向から押圧により形
成する変形部１０を、ディスク１の下端面１ｂに沿って
形成するもので、第１実施例と同様な作用効果が得られ
るものである。FIG. 4 is a sectional view showing a positioning support B for the electrode support tube 2 and the disk 1 formed according to the second embodiment of the present invention. In this embodiment, the deformed portion 10 is formed by pressing the deformed blade from three directions along the lower end surface 1b of the disk 1, and the same effects as in the first embodiment can be obtained.
第５図は、本発明の第３実施例を示す断面図であり、こ
の実施例は電極支持管２に対してディスクｌの上端面１
ａ及び下端面１ｂに沿って２個所の変形部７．１０を形
成するもので、この実施例の場合も同様な作用効果が得
られるものである。FIG. 5 is a sectional view showing a third embodiment of the present invention, in which the upper end surface of the disk l is
Two deformed portions 7.10 are formed along the lower end surface 1b and the lower end surface 1b, and similar effects can be obtained in this embodiment.
以上実施例に基づいて説明したように本発明によれば、
電極支持管を径方向に押圧変形させてディスクと位置決
め支持させるようにしたので、別個の位置決め用の部材
を必要とせず、またａ構が簡単なため、位置決め工程を
容易に自動化することができる。またディスク支持孔内
壁部において電極支持管の無変形部が保持されるので、
信幀性の高いシール部を形成することができ、更に３方
向からの押圧変形により位置決めした場合には、電極支
持管をディスクの支持孔のセンターに容易に位置させる
ことができる等の利点が得られる。According to the present invention, as described above based on the embodiments,
Since the electrode support tube is pressed and deformed in the radial direction to support positioning with the disk, there is no need for a separate positioning member, and since the a structure is simple, the positioning process can be easily automated. . In addition, since the undeformed portion of the electrode support tube is held on the inner wall of the disk support hole,
A highly reliable seal can be formed, and when positioning is performed by pressing deformation from three directions, the electrode support tube can be easily positioned at the center of the support hole of the disk. can get.
第１図へは、本発明の第１実施例の実施に用いる製造装
置を示す一部断面上面図、第１図■）は、第１図へのＡ
−Ａ’線に沿った断面図、第２図＾は、本発明の第１実
施例により得られた発光管の電極支持管の変形部を示す
断面図、第２図の）は、第２図＾のＢ−Ｂ ’線に沿っ
た断面図、第３図は、本発明の第１実施例により得られ
た発光管全体を示す断面図、第４図は、本発明の第２実
施例により得られた電極支持管の変形部を示す断面図、
第５回は、本発明の第３実施例により得られた電極支持
管の変形部を示す断面図、第６図は、従来の発光管の電
極支持管とディスクとの位置決めａＳＳを示す図、第７
図へ、 （Ｂｌ〜第９図八、へＥ）は、それぞれ他の従
来の発光管の電極支持管とディスクとの位置決めａ探を
示す図である。
図において、１はアルミナディスク、２は電極支持管、
３は電極、４，５．６は変形用刃、７゜１０は変形部、
８はアルミナ管、９は発光管を示す。Fig. 1 is a partial cross-sectional top view showing the manufacturing apparatus used for carrying out the first embodiment of the present invention, and Fig.
2) is a cross-sectional view taken along the line -A', and FIG. 3 is a cross-sectional view showing the entire arc tube obtained according to the first embodiment of the present invention, and FIG. 4 is a cross-sectional view taken along the line B-B' in FIG. A cross-sectional view showing the deformed part of the electrode support tube obtained by
The fifth part is a cross-sectional view showing a deformed part of the electrode support tube obtained according to the third embodiment of the present invention, and FIG. 6 is a view showing positioning aSS between the electrode support tube and the disk of a conventional arc tube. 7th
Figures (B1 to Figure 9, Figure 8 and Figure 9E) are diagrams each showing a positioning process for the electrode support tube and disk of other conventional arc tubes. In the figure, 1 is an alumina disk, 2 is an electrode support tube,
3 is an electrode, 4, 5.6 is a deformation blade, 7゜10 is a deformation part,
8 is an alumina tube, and 9 is an arc tube.
Claims (1)
蒸気放電灯発光管の製造方法において、前記電極支持管
を前記ディスクの支持孔に挿通したのち、ディスクの少
なくとも一端面において電極支持管を径方向に押圧変形
させ、電極支持管とディスクとを位置決め保持させるこ
とを特徴とする高圧金属蒸気放電灯発光管の製造方法。In a method for manufacturing a high-pressure metal vapor discharge lamp arc tube having a disk at both ends to which an electrode support tube is fixed, the electrode support tube is inserted into a support hole of the disk, and then the diameter of the electrode support tube is fixed at at least one end surface of the disk. A method for manufacturing a high-pressure metal vapor discharge lamp arc tube, which comprises positioning and holding an electrode support tube and a disk by pressing and deforming the electrode support tube in a direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28309786A JPS63138629A (en) | 1986-11-29 | 1986-11-29 | Manufacture of light emitting tube for high pressure metallic vapor discharge lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28309786A JPS63138629A (en) | 1986-11-29 | 1986-11-29 | Manufacture of light emitting tube for high pressure metallic vapor discharge lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63138629A true JPS63138629A (en) | 1988-06-10 |
Family
ID=17661175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28309786A Pending JPS63138629A (en) | 1986-11-29 | 1986-11-29 | Manufacture of light emitting tube for high pressure metallic vapor discharge lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63138629A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991009416A1 (en) * | 1989-12-14 | 1991-06-27 | Gte Products Corporation | Electrode-to-feedthrough tube crimp for arc discharge lamp |
-
1986
- 1986-11-29 JP JP28309786A patent/JPS63138629A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991009416A1 (en) * | 1989-12-14 | 1991-06-27 | Gte Products Corporation | Electrode-to-feedthrough tube crimp for arc discharge lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3039626B2 (en) | Metal halide lamp and method of manufacturing the same | |
| JPS63138629A (en) | Manufacture of light emitting tube for high pressure metallic vapor discharge lamp | |
| JPS59131781A (en) | Enclosed type motor-compressor | |
| JPH0468729B2 (en) | ||
| JPH0812764B2 (en) | Magnetron cathode assembly | |
| JP2724531B2 (en) | How to attach a filament shield for fluorescent lamps | |
| JPS6336928Y2 (en) | ||
| JPH076613Y2 (en) | Single-ended halogen incandescent light bulb | |
| JPS6212028A (en) | Attachment method for electrode of metal vapor discharge lamp | |
| JPH0864137A (en) | Manufacture of compact fluorescent lamp | |
| JPH0439664Y2 (en) | ||
| JPH0557380A (en) | Manufacture of duct single tube for vacuum duct in charged particle accelerator | |
| JPS6160537B2 (en) | ||
| JPS6440117A (en) | Pipe bending method | |
| JPS6367313B2 (en) | ||
| JPS58215275A (en) | Connection of pipe | |
| JPH0260620B2 (en) | ||
| JPS6314464B2 (en) | ||
| JPH0120922B2 (en) | ||
| JPS5861536A (en) | Manufacture of electric-discharge lamp | |
| JPS59160937A (en) | Manufacture of tubular bulb | |
| JPS6217351B2 (en) | ||
| JPH0722014B2 (en) | Halogen bulb filament manufacturing method | |
| JPS62148048A (en) | Manufacture of metallic pipe with fin | |
| JPS61172617A (en) | Manufacture of pipe bend of different diameter |