CN201975372U - Halogen tungsten lamp - Google Patents
Halogen tungsten lamp Download PDFInfo
- Publication number
- CN201975372U CN201975372U CN201020628791XU CN201020628791U CN201975372U CN 201975372 U CN201975372 U CN 201975372U CN 201020628791X U CN201020628791X U CN 201020628791XU CN 201020628791 U CN201020628791 U CN 201020628791U CN 201975372 U CN201975372 U CN 201975372U
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- China
- Prior art keywords
- filament
- quartz burner
- tungsten
- halogen
- lamp
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- 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 discloses a halogen tungsten lamp, which comprises a quartz lighting tube filled with halogen or halide gas, wherein a filament is arranged in the quartz lighting tube; the two ends of the filament are connected with a lamp base respectively; the filament is sleeved with a molybdenum foil; the molybdenum foil is close to the lamp base; and a plurality of brackets for supporting the filament are arranged at intervals in the quartz lighting tube. The intensity of the filament is ensured, the filament is not broken easily, and the service life of the halogen tungsten lamp is prolonged.
Description
Technical field
The utility model relates to a kind of lighting device, is specifically related to a kind of tungsten halogen lamp.
Background technology
Existing halogen tungsten fluorescent tube, its reflector all adopt the glass press face to become. because its internal stress is bigger. and the thermal shock resistance properties that adds glass material itself is poor. and when temperature generation acute variation, vitreum inside also will produce stress.Both can make the reflector housing made with glass break because of the existence of internal stress can produce at any time together or be broken, from face we to the life-span and the fail safe of bulb.In addition, the filament that is positioned at the halogen tungsten fluorescent tube is long, and its body of filament heating back is the condition of high temperature, because the filament heating is softening, therefore, filament is easy to fracture in this case, causes its useful life shorter.
Summary of the invention
At above-mentioned technical problem, the purpose of this utility model provides a kind of tungsten halogen lamp that has, and the intensity of filament of the present utility model is guaranteed, and easy fracture does not obtain prolonging the useful life of tungsten halogen lamp.
The technical scheme that realizes above-mentioned purpose is as follows:
Tungsten halogen lamp comprises the quartz burner that is filled with halogen or halide gas, is provided with filament in the quartz burner, the two ends of filament are connected with lamp base respectively, are with molybdenum foil on filament, and this molybdenum foil is near lamp base, be provided with the support of a plurality of filament supports in the described quartz burner, these spacer support frames are arranged.
Described quartz burner is the quartz burner that hydroxy radical content is lower than 5ppm.
Adopted such scheme, be provided with the support of a plurality of filament supports in the described quartz burner, these spacer support frames are arranged.When the filament adstante febre, by the support of support, can guarantee that it does not rupture to filament, be beneficial to the useful life that prolongs tungsten halogen lamp.
Description of drawings
Fig. 1 is the structural representation in the utility model;
In the accompanying drawing, 1 is quartz burner, and 2 is filament, and 3 is lamp base, and 4 is molybdenum foil, and 5 is support.
Embodiment
With reference to Fig. 1, tungsten halogen lamp of the present utility model comprises the quartz burner 1 that is filled with halogen or halide gas, and quartz burner 1 is lower than the quartz burner of 5ppm for hydroxy radical content.Be provided with filament 2 in the quartz burner 1, filament 2 is a tungsten filament.The two ends of filament 2 are connected with lamp base 3 respectively, are with molybdenum foil 4 on filament 2, and this molybdenum foil 4 is near lamp base.Described quartz burner 1 is provided with the support 5 of a plurality of filament supports, and these spacer support frames are arranged.
During the utility model work, filament temperature is very high, evaporate the tungsten molecule, makes it to shift to quartz burner 1 inwall.Owing to be filled with halogen or halide gas in the quartz burner 1, so the tungsten molecule is in tube wall and halogen effect, the tungsten halide of generation gaseous state, and tungsten halide is just moved to filament by tube wall.Enter the high waterfall zone of filament when tungsten halide after, just be decomposed into tungsten molecule and halogen, the tungsten molecule just is deposited on the filament, when the quantity of tungsten molecule deposition equals tungsten molecular amounts that filament evaporates away, just forms relative balance state.This process is the halogen tungsten circulation, owing to there is the halogen tungsten circulation, so the quartz burner 1 of tungsten halogen lamp is difficult for blackout, and its luminous efficiency is than incandescent lamp height.The filament loss of tungsten halogen lamp is few, and prolonged than incandescent lamp its useful life.
Claims (2)
1. tungsten halogen lamp, comprise the quartz burner that is filled with halogen or halide gas, be provided with filament in the quartz burner, the two ends of filament are connected with lamp base respectively, on filament, be with molybdenum foil, this molybdenum foil is characterized in that near lamp base: be provided with the support of a plurality of filament supports in the described quartz burner, these spacer support frames are arranged.
2. tungsten halogen lamp according to claim 1 is characterized in that: described quartz burner is the quartz burner that hydroxy radical content is lower than 5ppm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020628791XU CN201975372U (en) | 2010-11-27 | 2010-11-27 | Halogen tungsten lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020628791XU CN201975372U (en) | 2010-11-27 | 2010-11-27 | Halogen tungsten lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201975372U true CN201975372U (en) | 2011-09-14 |
Family
ID=44580470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020628791XU Expired - Fee Related CN201975372U (en) | 2010-11-27 | 2010-11-27 | Halogen tungsten lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201975372U (en) |
-
2010
- 2010-11-27 CN CN201020628791XU patent/CN201975372U/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: 20110914 Termination date: 20111127 |