CN2095478U - High pressure discharge lamp - Google Patents
High pressure discharge lamp Download PDFInfo
- Publication number
- CN2095478U CN2095478U CN 91207428 CN91207428U CN2095478U CN 2095478 U CN2095478 U CN 2095478U CN 91207428 CN91207428 CN 91207428 CN 91207428 U CN91207428 U CN 91207428U CN 2095478 U CN2095478 U CN 2095478U
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- CN
- China
- Prior art keywords
- luminance
- build
- wire
- bimetal strip
- discharge tube
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- Expired - Lifetime
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Abstract
The utility model discloses a high-pressure discharge lamp fitting, comprising an outer shell (12) and a ceramic discharge tube (1), and provided with a glow starter in the form of a glow starting wire (20). The glow starting wire (20) is vertically overlapped on the discharge tube (1). One end of the glow starting wire (20) is welded together with one end of a bimetal strip (21) the other end of which is welded together with the niobium tube (4) of a nearby electrode. The bimetal strip (21) is basically bent into a step shape.
Description
The present invention relates to a kind of high-pressure discharge lamp, it comprises the quartz or the glass shell of ceramic discharge tube in the encirclement, two electrodes pass through the two ends of an airtight inclosure discharge tube of niobium pipe respectively, in the discharge tube by by being the filler that sodium, mercury and a kind of inert gas are formed at least, be provided with a starter in the enclosure, this starter is made of a build-up of luminance wire that vertically leans against on the discharge tube, by a bimetal strip that is fixed on the build-up of luminance wire, after lamp was lighted, this bimetal strip temperature rise made this build-up of luminance wire be lifted away from discharge tube fully.
Above-mentioned high-pressure discharge lamp refers to high-pressure sodium lamp, and because of its luminous efficiency height, this light fixture has very big advantage.Since by improved with corresponding selected tolerance composition and pressure luminous efficiency, again successfully improved color rendering since, high-pressure sodium lamp is that the very high field that high-pressure discharge lamp monopolized of color rendering index also obtains more applications originally.High-pressure sodium lamp with very high xenon pressure needs starter.This starter generally is made of an outer wire that rides on the discharge tube.One of two lead-ins of this wire and lamp are electrically connected.During owing to throw light in the lamp long period, ride over build-up of luminance wire on the fluorescent tube can make occur in the fluorescent tube electrolysis and so damage fluorescent tube, therefore, between lead-in and build-up of luminance wire, add a bimetallic.After high-pressure sodium lamp was lighted, this bimetallic made the build-up of luminance wire be lifted away from fluorescent tube because of itself heats up, and prevents electrolysis with this.
The disclosed specification of Germany has been described a kind of high-pressure sodium lamp with this starter for No. 3151513.Wherein, bimetal strip is fixed on the build-up of luminance that longitudinally rides on discharge tube centre wiry with the one end.For fixing bimetallic, installed a supporting structure in the enclosure, this supporting structure has a fixed arm with the discharge tube extends parallel, and the bimetallic other end is welded on this fixed arm.This supporting structure has improved cost.In addition, because of support is arranged, the volume of lamp greatly strengthens, because the distribution of weight inequality of lamp, an end of lamp need be established lamp socket.Because of supporting structure is arranged, can not be produced on the tubular lamp that pipe end joint is equipped with at the shell two ends.
Task of the present invention is to improve the configuration design of starter, so that need not to install supporting structure in the shell of high-pressure sodium lamp.The cost of starter is also simplified and reduced to the structure of starter therefore as much as possible.
The technical scheme of finishing above-mentioned task is that one of bimetal strip terminates at a build-up of luminance end wiry, and the other end of bimetal strip and niobium pipe nearby join.The favourable technical characterictic of other of high-pressure sodium lamp of the present invention is, bimetal strip and build-up of luminance welded wire are together; Bimetal strip is welded on the niobium pipe; Build-up of luminance material wiry is a refractory metal; Bimetal strip is bent into stairstepping basically.
Be fixed on a build-up of luminance end wiry by the end with bimetal strip, the other end of bimetal strip is fixed on the niobium pipe nearby, has greatly simplified the structure of starter.Based on this structure, can need not to install the support that assembling in the shell, that cause lamp non-be by hand.High-pressure sodium lamp can be by the Fully-mechanized making of tubular-shaped structures.Because the overall dimension of tubular-shaped structures is little, so the light fixture size that can dwindle this lamp.
Advantageously, the joint of bimetallic and build-up of luminance wire or niobium pipe welds.Build-up of luminance material wiry is a refractory metal, as molybdenum or tungsten.Bimetal strip is made of the thermo bimetal, in order to match with niobium pipe and build-up of luminance position wiry, bimetal strip is bent into stairstepping, and the component part that its thermal coefficient of expansion is bigger is faced niobium pipe or discharge tube.
Further illustrate the present invention by embodiment below.
Fig. 1 is the end view of high-pressure sodium lamp
Fig. 2 is the end view of high-pressure sodium lamp behind the longitudinal axis half-twist of lamp among Fig. 1.
It is 70 watts tubular high-pressure sodium lamp that Fig. 1 and Fig. 2 show power consumption of the present invention.This lamp is made of a columniform aluminium oxide ceramics discharge tube 1, and two tungsten electrodes 2,3 pass through the two ends of niobium pipe 4,5 airtight inclosure discharge tubes 1 respectively.Niobium pipe 4,5 is by being electrically connected in order to the spring drip molding 6,7 that compensates different linear deformations and the molybdenum sealing film 10,11 in lead-in 8,9 and the shell.Sealing film 10,11 is by within the airtight two ends that are pressed together on the cylindrical quartz shell.The sealing film 10,11 that is embedded in the stem stem 13,14 is electrically connected by outer lead-in 15,16 and a pair of R7S type lamp socket 17,18 again.By an one metal wire not alive getter 19 is pressed together in the stem stem 14 of shell 12.
Vertically there is long 50 millimeters, thick 0.4 a millimeter build-up of luminance molybdenum silk 20 to ride on the discharge tube along discharge tube.One end of wire 20 and an end of thermo bimetal's bar 21 weld together.The niobium pipe 4 of the other end of thermo bimetal's bar 21 and electrode 2 welds together.The one side of thermo bimetal's bar 21 is active face, constitutes by chromium, iron and nickel, and in the face of niobium pipe or discharge tube.The another side of thermo bimetal's bar 21 is inertia faces, is made of chromium and iron.It is that 0.3 millimeter, width are 2 millimeters square-section that thermo bimetal's bar has a thickness.When making starter, earlier bimetal strip 21 is bent into the stairstepping that is made of three sections 21a, 21b and 21c.Wherein, first section 21a and niobium pipe 4 weld together, and the 3rd section 21c and build-up of luminance wire 20 weld together, and these two sections are parallel to each other.Interlude 21b is perpendicular to above-mentioned two sections 21a and 21c.The length of these three sections 21a to 21c is to distribute like this: under welded condition, the build-up of luminance wire will be parallel with the outer rim of discharge tube 1 and be 0.5 millimeter apart from discharge tube 1.Strengthen angle between first section 21a and the second section 21b with adjusting device then, till the total length of build-up of luminance wire 20 is attached on the discharge tube 1.In this process, 21c is towards the 20 direction bendings of build-up of luminance wire for section.Bimetal strip 21 with this configuration can obtain desirable starter.Be in cold state following time at lamp, the total length of build-up of luminance wire 20 rides on the discharge tube 1; After lamp was bright, build-up of luminance wire 20 was lifted away from discharge tube 1 fully because of bimetal strip 21 heats up.
Claims (5)
1, high-pressure discharge lamp, the quartz or the glass shell (12) that comprise ceramic discharge tube (1) in the encirclement, two electrodes (2,3) respectively by a niobium pipe (4,5) two ends of airtight inclosure discharge tube (1), have in the discharge tube (1) by being sodium at least, the filler that mercury and a kind of inert gas are formed, and there is one to be located at the interior starter of shell (12), this starter is made of a build-up of luminance wire (20) that vertically leans against on the discharge tube (1), by a bimetal strip (21) that is fixed on the build-up of luminance wire (20), after lamp is lighted, this bimetal strip temperature rise makes build-up of luminance wire (20) be lifted away from discharge tube (1) fully, it is characterized in that, one of bimetal strip (21) terminates at an end of build-up of luminance wire (20), and the other end of bimetal strip (21) links to each other with nearby niobium pipe (4).
According to the high-pressure discharge lamp of claim 1, it is characterized in that 2, bimetal strip (21) welds together with build-up of luminance wire (20).
According to the high-pressure discharge lamp of claim 1, it is characterized in that 3, bimetal strip (21) is welded on the niobium pipe (4).
According to the high-pressure discharge lamp of claim 1, it is characterized in that 4, the material of build-up of luminance wire (20) is a refractory metal.
5, according to the high-pressure discharge lamp of claim 1 to 3, it is characterized in that, bimetal strip (21) be basically be bent into step-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91207428 CN2095478U (en) | 1990-04-27 | 1991-04-24 | High pressure discharge lamp |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG9004811.3 | 1990-04-27 | ||
| CN 91207428 CN2095478U (en) | 1990-04-27 | 1991-04-24 | High pressure discharge lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2095478U true CN2095478U (en) | 1992-02-05 |
Family
ID=49956650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91207428 Expired - Lifetime CN2095478U (en) | 1990-04-27 | 1991-04-24 | High pressure discharge lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2095478U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623277A (en) * | 2012-04-14 | 2012-08-01 | 朱惠冲 | Ceramic metal halide electrode melt-sealing positioning method and structure |
| CN102810452A (en) * | 2011-06-01 | 2012-12-05 | 普罗斯电器（中国）有限公司 | Self-trigger |
| CN108493092A (en) * | 2018-03-13 | 2018-09-04 | 北京卫星环境工程研究所 | Infrared heating lamp with translucent ceramic lamp vessel |
-
1991
- 1991-04-24 CN CN 91207428 patent/CN2095478U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810452A (en) * | 2011-06-01 | 2012-12-05 | 普罗斯电器（中国）有限公司 | Self-trigger |
| CN102623277A (en) * | 2012-04-14 | 2012-08-01 | 朱惠冲 | Ceramic metal halide electrode melt-sealing positioning method and structure |
| CN102623277B (en) * | 2012-04-14 | 2016-03-09 | 朱惠冲 | Ceramic metal halogen lamp pole sealing by fusing location structure |
| CN108493092A (en) * | 2018-03-13 | 2018-09-04 | 北京卫星环境工程研究所 | Infrared heating lamp with translucent ceramic lamp vessel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |