CN101710562A - Compact type electric arc pipe and gold halogen lamp made from same - Google Patents
Compact type electric arc pipe and gold halogen lamp made from same Download PDFInfo
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- CN101710562A CN101710562A CN200910251464A CN200910251464A CN101710562A CN 101710562 A CN101710562 A CN 101710562A CN 200910251464 A CN200910251464 A CN 200910251464A CN 200910251464 A CN200910251464 A CN 200910251464A CN 101710562 A CN101710562 A CN 101710562A
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- electric arc
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- discharge cavity
- arc tube
- arc pipe
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Abstract
The invention discloses a compact type electric arc pipe which comprises a discharge cavity, wing pieces and an exhaust pipe tip, wherein the wing pieces are positioned at the outer walls of both ends of the discharge cavity, the exhaust pipe tip is arranged on a cavity body of the discharge cavity, and the ratio of the diameter D of an internal cavity of the discharge cavity to the cavity length L is 0.23-0.27:1. Meanwhile, the invention also discloses a gold halogen lamp made from the compact type electric arc pipe. The invention breaks through the tradition of the traditional gold halogen lamp producer for the magnitude of the ratio of the diameter of the internal cavity of the electric arc pipe to the cavity length L when the electric arc pipe is produced, increases the diameter D of the internal cavity of the discharge cavity of the electric arc pipe by reducing the cavity length L so as to reduce the length of the electric arc pipe, and increases the effective surface area of the discharge cavity of the electric arc pipe, thereby lowering the power load of the electric arc pipe of the gold halogen lamp and effectively prolonging the actual service life of the gold halogen lamp under a condition that the inherent photoelectric parameter is changeless.
Description
Technical field
The present invention relates to a kind of electric arc tube that is applied on the Metal halogen lamp.
The present invention has also related to the Metal halogen lamp that adopts above-mentioned electric arc tube to make simultaneously.
Background technology
Metal halide lamp (being also referred to as Metal halogen lamp) is photochromic on the basis of high-pressure mercury lamp for improving, a kind of new type light source that grows up, not only photochromic good, and light efficiency is also high, usually add some metal halide in high-pressure mercury lamp, the ringing by metal halide constantly provides corresponding metal steam to electric arc, adopt metallic halogenide form both can improve the vapour pressure of required metal greatly, prevent the erosion of active metal again quartz arc tube.When the vapor diffusion of metal halide arrives the electric arc arc core, under high temperature action, resolve into metallic atom and halogen atom, metallic atom gives off needed spectrum; When metallic atom, halogen atom diffused to the tube wall zone of electric arc periphery, both are compound again to be metal halide;---decomposition---diffusion---is compound, and so bad process of following constantly repeats in light source in diffusion.Metallic atom is stimulated in electric arc and suitable selection metal halide of the characteristic light spectral line of this metal of radiation and the ratio of controlling them can be made multiple photochromic different metal halide lamp.
The intracavity diameter D of the electric arc tube discharge cavity of traditional Metal halogen lamp and the ratio of the long L in chamber are 0.17～0.20: 1, as the above high-power metallic halide lamp arc tube of 2000W, the long L in its chamber is about 151mm, the distance of two electrodes is 130～140mm in its chamber, its intracavity diameter D is 27～30mm, the intracavity diameter D of electric arc tube discharge cavity and the ratio of the long L in chamber are 0.1788～0.1987: 1, this ratio is the ratio that traditional manufacturer adopts, and formed the convention of manufacturer gradually, and adopt this ratio to cause the power load of traditional high-power halogen electric arc tube bigger, useful life is shorter.As traditional power load y of high-power halogen electric arc tube more than 2000 watts is 18w/cm
2, even reach 20w/cm
2, electric arc tube high ambient temperatures state when causing Metal halogen lamp work, and then shortened useful life, be about 1000 hours its actual life.Present Metal halogen lamp manufacturer can not solve the problem in the useful life of halogen electric arc tube well.And, 2000 watts traditional high-power metallic halide lamp because electric arc tube oversize, when being applied to Metal halogen lamp, the bulb volume is difficult to reduce, at some as using.
Summary of the invention
The objective of the invention is provides a kind of electric arc tube in order to overcome technological deficiency recited above, and the metal halide lamp that adopts this electric arc tube to make also is provided simultaneously.
In order to solve technical problem recited above, the present invention takes following technical scheme:
The invention provides a kind of compact type electric arc, comprise discharge cavity, be positioned at discharge cavity two ends outer wall fin, be opened in the exhaust tip on the discharge cavity cavity, the intracavity diameter D of discharge cavity and the ratio of the long L in chamber are 0.23～0.27: 1.
The cavity of described discharge cavity and the changeover portion at two ends are the trapezoidal transition section.By this trapezoidal transition section, can increase its heating surface area.
The long L in the chamber of described discharge cavity is 132～135mm, and two interelectrode distances are 110～113mm, and intracavity diameter D is 32～35mm.When the electric arc tube of above-mentioned size can be applied to the above high-power Metal halogen lamp of 2000W, by shortening the length of the long L in chamber, strengthen intracavity diameter D simultaneously, high-power Metal halogen lamp more than 2000 watts is being guaranteed under the prerequisite of its performance, can shorten the length of electric arc tube effectively, thereby reduce the volume of Metal halogen lamp bulb, Metal halogen lamp can be applied to as special occasions such as fishing workplaces.
The present invention also provides a kind of Metal halogen lamp, includes electric arc tube, and described electric arc tube is aforesaid electric arc tube.
The present invention has broken through traditional Metal halogen lamp manufacturer convention to the ratio size of its electric arc tube intracavity diameter and the long L in chamber when producing electric arc tube, be all 2000 watts halogen electric arc tube, by the long L in the chamber that dwindles the electric arc tube discharge cavity, strengthen the intracavity diameter D of electric arc tube discharge cavity, make the long L in chamber be reduced into original 10～13%, intracavity diameter D is than original increase 16～19%, the ratio that makes intracavity diameter D and the long L in chamber is by original 0.17～0.20: 1 increases to 0.23～0.27: 1, thereby shortened the entire length of electric arc tube, form compact type electric arc, increased the range of application of electric arc tube; And increased the effective surface area of electric arc tube discharge cavity slightly, and reduced the power load of halogen electric arc tube slightly, make the power load of electric arc tube be controlled at 17w/cm
2, having prolonged its useful life, its actual life is more than 1500 hours.
Below with reference to drawings and Examples, the present invention is carried out comparatively detailed explanation.
Description of drawings
Fig. 1 is traditional halogen electric arc tube structure chart.
Fig. 2 is a compact type electric arc structure chart of the present invention.
Among the figure: 1. discharge cavity, 2. fin, 3. exhaust tip, 4. changeover portion, 5. molybdenum sheet, 6. conductive lead wire, 7. electrode.
Embodiment
See also Fig. 1, be traditional halogen electric arc tube structure chart.As shown in the figure, electric arc tube includes discharge cavity 1, be positioned at the fin 2 of discharge cavity 1 two ends outer wall, be installed in the electrode 7 at discharge cavity 1 inner chamber two ends, be installed in the molybdenum sheet 5 in two fins 2, connection electrode 7 and molybdenum sheet 5 are also drawn the conductive lead wire 6 of fin 2, are opened in the exhaust tip 3 on discharge cavity 1 cavity.The intracavity diameter D of traditional halogen electric arc tube and the ratio of the long L in chamber are 0.17～0.20: 1, and it is comparatively elongated that the discharge cavity of electric arc tube seems, the heating surface area of the discharge cavity of its electric arc tube is less, and power load y is bigger, and the life-span is shorter.As 2000 watts the electric arc tube that adopts traditional structure to make, the long L in the chamber of discharge cavity is 149～152mm, and intracavity diameter D is 27～30mm, and the power load y of electric arc tube is 18w/cm
2, even reach 20w/cm
2, be about 1000 hours its actual life.
See also Fig. 2, be compact type electric arc structure chart of the present invention.As shown in the figure, the cavity of electric arc tube discharge cavity 1 and two ends also include changeover portion 4, and this changeover portion 4 is the trapezoidal transition section; The intracavity diameter D of the discharge cavity of electric arc tube provided by the invention is bigger, and the ratio of intracavity diameter D and the long L in chamber is 0.231～0.27: 1; By between the cavity of discharge cavity and two ends, the trapezoidal transition section being set, increased the heating surface area of electric arc tube discharge cavity, make that the power load y of electric arc tube is less, ILS.As 2000 watts the electric arc tube that adopts structure of the present invention to make is compared with 2000 watts of traditional electric arc tubes, the long L in the chamber of discharge cavity is reduced into 132～135mm, it is 32～35mm that intracavity diameter D then increases, its heating surface area makes the power load y of electric arc tube be reduced to 17w/cm greater than the heating surface area of 2000 watts of traditional electric arc tubes
2, be slightly less than traditional power load, thereby prolonged its useful life, reach actual life more than 1500 hours.
Claims (4)
1. compact type electric arc, comprise discharge cavity (1), be positioned at the fin (2) of discharge cavity (1) two ends outer wall, be opened in the exhaust tip (3) on discharge cavity (1) cavity, it is characterized in that: the intracavity diameter D of discharge cavity (1) and the ratio of the long L in chamber are 0.23～0.27: 1.
2. electric arc tube as claimed in claim 1 is characterized in that: the changeover portion (4) at the cavity of described discharge cavity (1) and two ends is the trapezoidal transition section.
3. electric arc tube as claimed in claim 1 or 2 is characterized in that: the intracavity diameter D of described discharge cavity (1) is 32～35mm, and the long L in chamber is 132～135mm.
4. a Metal halogen lamp includes electric arc tube, it is characterized in that: described electric arc tube is as the arbitrary described electric arc tube of claim 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910251464A CN101710562A (en) | 2009-12-23 | 2009-12-23 | Compact type electric arc pipe and gold halogen lamp made from same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910251464A CN101710562A (en) | 2009-12-23 | 2009-12-23 | Compact type electric arc pipe and gold halogen lamp made from same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101710562A true CN101710562A (en) | 2010-05-19 |
Family
ID=42403341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910251464A Pending CN101710562A (en) | 2009-12-23 | 2009-12-23 | Compact type electric arc pipe and gold halogen lamp made from same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101710562A (en) |
-
2009
- 2009-12-23 CN CN200910251464A patent/CN101710562A/en active Pending
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Open date: 20100519 |