JPH0377363U - - Google Patents
Info
- Publication number
- JPH0377363U JPH0377363U JP13735389U JP13735389U JPH0377363U JP H0377363 U JPH0377363 U JP H0377363U JP 13735389 U JP13735389 U JP 13735389U JP 13735389 U JP13735389 U JP 13735389U JP H0377363 U JPH0377363 U JP H0377363U
- Authority
- JP
- Japan
- Prior art keywords
- heat
- arc tube
- insulating cap
- pressure sodium
- sodium lamp
- 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
- 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 claims 7
- 229910052708 sodium Inorganic materials 0.000 claims 7
- 239000011734 sodium Substances 0.000 claims 7
- 239000012210 heat-resistant fiber Substances 0.000 claims 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 2
- 239000000919 ceramic Substances 0.000 claims 1
- 239000011094 fiberboard Substances 0.000 claims 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims 1
- 229910052753 mercury Inorganic materials 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
Description
第１図は本考案に係る発光管の一部縦断側面図
、第２図は同じく一部縦断側面図、第３図は同じ
く一部縦断側面図、第４図は従来の発光管の斜視
図、第５図は同発光管の一部縦断側面図である。
Fig. 1 is a partially longitudinal side view of the arc tube according to the present invention, Fig. 2 is a partially longitudinal side view, Fig. 3 is a partially longitudinal side view, and Fig. 4 is a perspective view of a conventional arc tube. , FIG. 5 is a partially longitudinal side view of the same arc tube.
Claims (1)
固定した電極支持管を封着し内部にナトリウム、
水銀及び希ガスを封入してなる発光管の端部に有
底円筒状のセラミツク製保温キヤツプを嵌装して
なる高圧ナトリウムランプにおいて、 該発光管端部外周と保温キヤツプの内面との間
に耐熱性繊維を挾持し、保温キヤツプを発光管端
部に固定してなる高圧ナトリウムランプ。 (2) 前記耐熱性繊維は、アルミナ、シリカより
なるフアイバーボードを用いてなる請求項第１項
記載の高圧ナトリウムランプ。 (3) 前記耐熱性繊維は、前記保温キヤツプの底
部内面と発光管端面との間に配置してなる請求項
第１項及び第２項記載の高圧ナトリウムランプ。 (4) 前記耐熱性繊維は、前記保温キヤツプの側
面と発光管端部外周面との間に配置してなる請求
項第１項及び第２項記載の高圧ナトリウムランプ
。 (5) 前記耐熱性繊維は、前記保温キヤツプ内面
の発光管端部全面にわたつて配置してなる請求項
第１項及び第２項記載の高圧ナトリウムランプ。[Claims for Utility Model Registration] (1) Electrode support tubes with electrodes fixed at the tips are sealed at both ends of the light emitting alumina tube, and sodium,
In a high-pressure sodium lamp in which a bottomed cylindrical ceramic heat-insulating cap is fitted to the end of an arc tube filled with mercury and a rare gas, there is a gap between the outer periphery of the end of the arc tube and the inner surface of the heat-insulating cap. A high-pressure sodium lamp made by sandwiching heat-resistant fibers and fixing a heat-insulating cap to the end of the arc tube. (2) The high-pressure sodium lamp according to claim 1, wherein the heat-resistant fiber is a fiberboard made of alumina or silica. (3) The high-pressure sodium lamp according to claim 1 or 2, wherein the heat-resistant fiber is disposed between the bottom inner surface of the heat insulating cap and the end face of the arc tube. (4) The high-pressure sodium lamp according to claim 1 or 2, wherein the heat-resistant fiber is arranged between the side surface of the heat insulating cap and the outer peripheral surface of the end of the arc tube. (5) The high-pressure sodium lamp according to claim 1 or 2, wherein the heat-resistant fiber is arranged over the entire surface of the end of the arc tube on the inner surface of the heat insulating cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13735389U JPH0377363U (en) | 1989-11-29 | 1989-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13735389U JPH0377363U (en) | 1989-11-29 | 1989-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0377363U true JPH0377363U (en) | 1991-08-02 |
Family
ID=31684514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13735389U Pending JPH0377363U (en) | 1989-11-29 | 1989-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0377363U (en) |
-
1989
- 1989-11-29 JP JP13735389U patent/JPH0377363U/ja active Pending