CN201829454U - High-straightness high-power direct current metal halide lamp - Google Patents
High-straightness high-power direct current metal halide lamp Download PDFInfo
- Publication number
- CN201829454U CN201829454U CN2010205177109U CN201020517710U CN201829454U CN 201829454 U CN201829454 U CN 201829454U CN 2010205177109 U CN2010205177109 U CN 2010205177109U CN 201020517710 U CN201020517710 U CN 201020517710U CN 201829454 U CN201829454 U CN 201829454U
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- CN
- China
- Prior art keywords
- lamp
- molybdenum
- straightness
- metal halide
- bands
- 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.)
- Expired - Fee Related
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- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
The utility model provides a high-straightness high-power direct current metal halide lamp; the lamp body comprises a lamp bulb, bulb sealing neck tubes arranged on both sides of the lamp bulb, and closed lamp caps arranged on the outer ends of the neck tubes; two molybdenum bands are symmetrically arranged in a circular spacing between the neck tubes and bubbles; the opposite ends of the two molybdenum bands are naturally provided with two symmetric molybdenum band gaps; and the inner ends of the molybdenum bands are connected with tungsten electrodes, and the outer ends of the molybdenum bands are connected with the external leads of the closed lamp caps. In the technical scheme, because the two symmetric molybdenum band gaps are naturally formed in the neck tubes, the lamp body can expand uniformly, the straightness of the lamp body cannot be damaged, and the product quality and reliability are ensured.
Description
Technical field
The utility model relates to high-power metallic halide illuminating lamp, searchlight, the architecture advances of in particular oval spherical metal halide lamp.
Background technology
Oval spherical metal halide lamp in the high-power metallic halide lamp, it include central authorities the lamp ball and by lamp ball both sides bubble sealing-in neck tube, accompany the molybdenum band in the annular gap between neck tube and the bubble, the inside and outside end of molybdenum band is electrically connected with the external lead wire of tungsten electrode, sealed end respectively.In the existing procucts structure, the molybdenum foil band that neck tube is provided with in the bubble annular gap has formed molybdenum crack with seam naturally, high-temperature heating in the sealing-in and cause neck tube lateral deviation distortion, this distortion meeting becomes more for serious with the lengthening of neck tube, can't guarantee the lamp body glacing flatness, influence product quality, also influence life of product.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of high straightness high power DC metal halide lamp that can keep the lamp body glacing flatness.The high straightness high power DC metal halide lamp technical scheme that the utility model patent application provides, its major technique content is: a kind of high straightness high power DC metal halide lamp, its lamp body is made of jointly the sealing lamp holder of lamp ball, lamp ball both sides bubble sealing-in neck tube and neck tube outer end, be provided with two molybdenum bands with the symmetry position in the annular gap of neck tube and bubble, article two, the opposite end of molybdenum band has formed two molybdenum cracks with seam of symmetry naturally, the inner external lead wire that connects tungsten electrode, outer end connection sealing lamp holder of molybdenum band.
The high straightness high power DC metal halide lamp technical scheme that the utility model provides, adopt two symmetrically arranged molybdenum band structures, in neck tube, formed the molybdenum crack with seam of two symmetries naturally, this structure can make lamp body evenly expand when standing sealing-in high temperature, thereby guarantee can not destroy the glacing flatness of lamp body, so just can make product in the restriction that is limited by high temperature expansion variation no longer too much aspect the lamp body length parameter, be convenient to develop the high-power metallic halide lamp product that more actual demand is satisfied with in manufacturing, its working stability, reliable, long service life.
Description of drawings
Accompanying drawing is the structural representation of this high straightness high power DC metal halide lamp.
Embodiment
One concrete structure of high straightness high power DC metal halide lamp of the present utility model as shown in drawings, its lamp body is made of jointly the sealing lamp holder 8 of lamp ball 2, lamp ball 2 both sides bubble sealing-in neck tubes 1 and neck tube 1 outer end, be provided with two molybdenum bands 6 with the symmetry position in the annular gap between bubble and the neck tube 1, article two, molybdenum band 6 opposite ends have formed symmetry and two molybdenums crack 7 with seam that be parallel to neck tube 1 center line naturally, article two, molybdenum band 6 the inners are electrically connected on the tungsten electrode 3,4 by molybdenum pawl 5, and molybdenum band 6 outer ends are electrically connected on the external lead wire 9 of sealing lamp holder 8 through the molybdenum pawl equally.
Claims (1)
1. high straightness high power DC metal halide lamp, its lamp body constitutes by the sealing lamp holder (8) of lamp ball (2), lamp ball both sides bubble sealing-in neck tube (1) and neck tube outer end is common, it is characterized in that being provided with two molybdenum bands (6) with the symmetry position in the annular gap of neck tube and bubble, article two, the opposite end of molybdenum band has formed two molybdenum cracks with seam of symmetry naturally, the inner external lead wire (9) that connects tungsten electrode, outer end connection sealing lamp holder of molybdenum band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205177109U CN201829454U (en) | 2010-09-01 | 2010-09-01 | High-straightness high-power direct current metal halide lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205177109U CN201829454U (en) | 2010-09-01 | 2010-09-01 | High-straightness high-power direct current metal halide lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201829454U true CN201829454U (en) | 2011-05-11 |
Family
ID=43967974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205177109U Expired - Fee Related CN201829454U (en) | 2010-09-01 | 2010-09-01 | High-straightness high-power direct current metal halide lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201829454U (en) |
-
2010
- 2010-09-01 CN CN2010205177109U patent/CN201829454U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20110901 |