JPH02140755U - - Google Patents
Info
- Publication number
- JPH02140755U JPH02140755U JP4959289U JP4959289U JPH02140755U JP H02140755 U JPH02140755 U JP H02140755U JP 4959289 U JP4959289 U JP 4959289U JP 4959289 U JP4959289 U JP 4959289U JP H02140755 U JPH02140755 U JP H02140755U
- Authority
- JP
- Japan
- Prior art keywords
- lead rod
- cylinder
- internal lead
- glass
- space surrounding
- 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
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 13
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims 5
- 230000008018 melting Effects 0.000 description 1
Description
第１図は本考案の高圧水銀蒸気放電灯の一実施
例を示す説明用断面図、第２図は従来の高圧水銀
蒸気放電灯の一例を示す説明用断面図である。
１……発光管、１１……発光空間囲繞部、１２
……封じ管部、２……有底筒体、３……金属箔、
４……内部リード棒、５……外部リード棒、６…
…電極、７……内部リード棒保持筒体、８……溶
着部分、８……高融点金属部材。
FIG. 1 is an explanatory sectional view showing an embodiment of the high-pressure mercury vapor discharge lamp of the present invention, and FIG. 2 is an explanatory sectional view showing an example of a conventional high-pressure mercury vapor discharge lamp. 1... Luminous tube, 11... Luminous space surrounding part, 12
... Sealed tube part, 2 ... Bottomed cylinder, 3 ... Metal foil,
4... Internal lead rod, 5... External lead rod, 6...
... Electrode, 7 ... Internal lead rod holding cylinder, 8 ... Welded part, 8 ... High melting point metal member.
Claims (1)
びる封じ管部よりなるガラス製発光管と、このガ
ラス製発光管の封じ管部の内部においてその開口
部が当該封じ管部の外端側に向かうよう配置され
たガラス製の有底筒体と、この有底筒体の筒孔内
に挿入された外部リード棒と、前記有底筒体の底
壁端面から前記発光空間囲繞部内に伸びるよう配
置された内部リード棒と、この内部リード棒の先
端に設けられた電極と、前記封じ管部の内部にお
いて前記有底筒体の底壁外方に位置され、前記内
部リード棒をその内部に挿通した状態で保持する
ガラス製の内部リード棒保持筒体と、前記有底筒
体の外周においてその筒軸方向に伸び、その一端
側が前記内部リード棒に電気的に接続され、その
他端側が前記外部リード棒に電気的に接続された
帯状の金属箔とを有し、前記発光空間囲繞部の内
径が前記内部リード棒保持筒体の外径の２倍以上
である高圧水銀蒸気放電灯において、 前記内部リード棒保持用筒体と発光空間囲繞部
との間に封じ管部に続く直管部を設け、この放電
灯を垂直点灯したときに下側にくる該直管部の内
壁に当接するように高融点金属部材を円筒状に配
設したことを特徴とする高圧水銀蒸気放電灯。[Claims for Utility Model Registration] A glass arc tube consisting of a central light emitting space surrounding part and a sealed tube part extending from this to both ends, and an opening inside the sealed tube part of this glass arc tube that is connected to the sealed tube. a bottomed cylinder made of glass disposed toward the outer end of the cylinder, an external lead rod inserted into the cylindrical hole of the bottomed cylinder, and the light emitted from the end surface of the bottom wall of the bottomed cylinder. an internal lead rod disposed to extend into the space surrounding portion; an electrode provided at the tip of the internal lead rod; an internal lead rod holding cylinder made of glass that holds the lead rod inserted therein; and an internal lead rod holding cylinder made of glass that extends in the axial direction of the cylinder on the outer periphery of the bottomed cylinder, one end of which is electrically connected to the internal lead rod. and a band-shaped metal foil whose other end is electrically connected to the external lead rod, and the inner diameter of the light emitting space surrounding portion is at least twice the outer diameter of the inner lead rod holding cylinder. In the mercury vapor discharge lamp, a straight tube section continuing to the sealed tube section is provided between the internal lead rod holding cylinder and the light emitting space surrounding section, and the straight tube section is located at the bottom when the discharge lamp is lit vertically. A high-pressure mercury vapor discharge lamp characterized in that a high-melting point metal member is arranged in a cylindrical shape so as to come into contact with the inner wall of the lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4959289U JPH02140755U (en) | 1989-04-28 | 1989-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4959289U JPH02140755U (en) | 1989-04-28 | 1989-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02140755U true JPH02140755U (en) | 1990-11-26 |
Family
ID=31567416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4959289U Pending JPH02140755U (en) | 1989-04-28 | 1989-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02140755U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11329358A (en) * | 1998-04-24 | 1999-11-30 | Patent Treuhand Ges Elektr Gluehlamp Mbh | High pressure discharge lamp |
| JP2015122209A (en) * | 2013-12-24 | 2015-07-02 | 岩崎電気株式会社 | Short-arc discharge lamp |
-
1989
- 1989-04-28 JP JP4959289U patent/JPH02140755U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11329358A (en) * | 1998-04-24 | 1999-11-30 | Patent Treuhand Ges Elektr Gluehlamp Mbh | High pressure discharge lamp |
| JP2015122209A (en) * | 2013-12-24 | 2015-07-02 | 岩崎電気株式会社 | Short-arc discharge lamp |