CN202103015U - Electric arc tube of xenon street lamp without exhaust pipe - Google Patents
Electric arc tube of xenon street lamp without exhaust pipe Download PDFInfo
- Publication number
- CN202103015U CN202103015U CN2011200167228U CN201120016722U CN202103015U CN 202103015 U CN202103015 U CN 202103015U CN 2011200167228 U CN2011200167228 U CN 2011200167228U CN 201120016722 U CN201120016722 U CN 201120016722U CN 202103015 U CN202103015 U CN 202103015U
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- electric arc
- arc tube
- shell
- bulb shell
- street lamp
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Abstract
The utility model relates to an electric arc tube of a xenon street lamp without an exhaust pipe. The present street lamps are mainly high voltage sodium lamps and LEDs (light-emitting diodes), wherein the color rendering index of the high voltage sodium lamps is very low, the comfort is less; and the LEDs are not mature in aspects of reliability, economical efficiency and stability, and have more defects for being used as light sources of the street lamps. The electric arc tube comprises a bulb shell (4) in an ellipsoidal shape, no air vent is arranged on the bulb shell, and neck holes are arranged at the two ends of the bulb shell respectively; electrodes (1) penetrate the neck holes to stretch into the bulb shell; the electrodes are connected with molybdenum sheets (2), and the molybdenum sheets are connected with molybdenum rods (3); and pills (6) and mercury (5) are arranged in the bulb shell. The product is used for roadway lighting, street lighting as well as stadium lighting, etc.
Description
Technical field
the utility model relates to a kind of core component of ultra-high pressure gas discharge lamp, is specifically related to a kind of no comb xenon street lamp electric arc tube.
Background technology
are along with the develop rapidly of modern science and technology, the extensive use of new and high technology. and electric light source products particularly glow discharge spot lamp has been obtained significant progress, in the evolution over nearly 20 years; The metal halide lamp of third generation light source high intensity discharge emerges gradually; And its range of application is extensive day by day, and the expansion field constantly strengthens, but domestic present street lamp is main with high-pressure sodium lamp and LED mainly; The all non-optimal road lighting product of these two kinds of light sources; The former color rendering properties of light source is on the low side, and comfort is poor, and the latter is in reliability; It is ripe that is that all right economy and stable aspect, also has more defective as the light source that is used as road lighting.
Summary of the invention
The purpose of
the utility model is that the problem that is directed against above-mentioned existence provides a kind of no comb xenon street lamp electric arc tube; Effectively eliminated the cold junction area; Make in the bulb course of work between each point of quartz discharge inside cavity temperature gradient little, and photochromic consistency, the stability of bulb are guaranteed.
Above-mentioned purpose realizes through following technical scheme:
no comb xenon street lamp electric arc tube, its composition comprises: cell-shell, described cell-shell are elliposoidal; Non air exit hole on the described cell-shell; Described cell-shell two ends have eck respectively, and electrode passes described eck and extend into described cell-shell the inside, and described motor connects molybdenum sheet; Described molybdenum sheet connects molybdenum rod, and described cell-shell the inside has pill and mercury.
Beneficial effect:
The contract form of envelope of both-end is adopted in
1. the utility model total, and the cold type mode is adopted in exhaust, adopt the exhaust-pipe-free life-span long, and the light efficiency height is its maximum characteristics.Lumen depreciation is higher, and color developing is good, has well solved the not high problem of the relatively poor resolution of eye of color rendering in the road lighting.Light efficiency is high; Very energy-conservation and unusual economy in the use; Have this product of characteristics such as reliable and stable easy for installation and adopted novel exhaust-pipe-free technology in addition; Effectively eliminated the cold junction area and made in the bulb course of work between each point of quartz discharge inside cavity temperature gradient little, the photochromic consistency of bulb, stability are guaranteed, and are the very strong light sources of a kind of practicality.
The cell-shell of
the utility model is designed to ellipsoidal structure; This structure has combined the characteristics of shape and the electronics convection current stability of gas discharge electric arc to design; Each position temperature rise of electric arc is very fast in the start-up course of lighting a lamp; Speed can improve 50%, and the speed of heat transferred is also very fast.Lighting a lamp starts to the stabilization process required time and also shortens greatly, and this on the other hand structure can form good " halogen " " tungsten " circulation, to electric arc tube all useful aspect light efficiency and life-span.
Description of drawings:
accompanying drawing 1 is the structural representation of the utility model.
Embodiment:
Embodiment 1:
no comb xenon street lamp electric arc tube, its composition comprises: cell-shell 4, non air exit hole on the described cell-shell; Described cell-shell is an elliposoidal; Described cell-shell two ends have eck respectively, and electrode 1 passes described eck and extend into described cell-shell the inside, and described electrode connects molybdenum sheet 2; Described molybdenum sheet connects molybdenum rod 3, and described cell-shell the inside has pill 6 and mercury 5.
are as shown in the figure, and exhaust-pipe-free xenon street lamp electric arc tube is made up of the discharge space of the elliposoidal that quartz glass or pottery are processed into, and there are two ecks at the elliposoidal two ends simultaneously; And 2 contain the electrodes that thorium oxide and tungsten forms and stretch in this discharge space, electrode and molybdenum foil, and molybdenum foil is connected back composition electrode assemblie structure respectively with molybdenum rod; Inner filler comprises the xenon of about 3-3.5atm at ambient temperature, 7800-8000 microgram NaI (sodium iodide), 2600-3000 microgram ScI3 (scandium iodide); And the mercury of 2600-3000 microgram, the internal volume of discharge space is the 580--650 microlitre simultaneously, the diameter of electrode tip is 0.4-0.45mm; The electrode spiral adopts double-helical structure to be in the discharge space; The length of elliposoidal cavity is 18mm, and the electrode tip spacing is 12--14mm, and the tube wall load WS of exhaust-pipe-free Xe lamp bulb illumination metal halogen lamp is 12--18W/C ㎡; The inner chamber external diameter is 12mm, and inner chamber is 10mm.The ignition voltage of 150W exhaust-pipe-free xenon lamp is greater than 20000V, and the voltage that is added to bulb side is about 100V.Operating current is about 1.58A.Bulb and rectifier consumed work altogether play the luminous efficiency of xenon lamp to be at least 90Lm/W between 165 to 172W in working order, and color rendition index Ra is at least 78 (colour temperature is at 4200K).
The high purity quartz pipe of the GE214A+ of the raw material employing import of
electric arc tube is processed and is formed.Through being put into the oxygen treatments applied stove, the quartz ampoule of moulding carries out the oxygen heat treated.Can effectively remove some impurity composition in the quartz ampoule; The electrode assemblie that to handle well through vacuum and high-temperature degassing is in advance again put into the deshydroxy stove and is heated 1050 ℃; Be incubated 6 hours vacuum treatment vacuum degree lower limit 1 ⅹ 10-5Torr; Can effectively remove the impurity residue of quartz ampoule and electrode surface, inner OH and the H+ of quartz ampoule also can reduce its index through heat-treating methods greatly in addition, and all processes after the assembly of sealing an end of contracting is certainly handled well through the high vacuum bake out is all protected under the argon gas atmosphere of anhydrous and oxygen-free and annotated mercury; Injection ball and two termination electrode assembly positioning actions are at O 2 ≤1PPM H 2 ≤1PPM environment protection down carries out, and exhaust process also is all to finish drilling in argon shield to accomplish simultaneously, to the entire product quality fine operating environment is provided, since heat treatment is accomplished till exhaust is sealed.Overall process argon gas (>=99.992%) protection is accomplished. and clean repeatedly again through fine pumping through argon gas in the exhaust process, can reduce impurity composition to greatest extent, inject quantitative xenon through N 2 After (liquid) cooling the other end envelope that contracts is accomplished, envelope is just being sealed real getting final product.
Ball bubble external diameter F in
electric arc tube is 12MM, and ball chamber internal diameter E gets 10MM, and wall thickness is decided to be 1MM cavity length LB and gets 18.0MM (electrode pole span LA gets 10--12MM) tube wall load: P_ represents lamp power in the WS=P/S formula; S is an electric arc tube spheroid internal surface area; According to the mathematics integration method, exhaust-pipe-free xenon lamp electric arc tube tube wall load is got WS=12-18W/C ㎡, for the exhaust-pipe-free xenon lamp; Guarantee that the bulb cold junction has sufficiently high cold junction temperature; And reach sufficiently high metal halide steam purpose, and reach the effect that high light efficiency high-color rendering starts fast, being designed to chat parameter is to realize the principal element of effect.
Whether fully the evaporation of
metal halide will see that its electrode inserts the parameter Y of the factor, and Y=(LB-LA)/LB, LB are pipe range.LA is an arc length, and the Y value is excessive, and the halide gasification is insufficient, and light efficiency is low, and the Y value is too small, and the stability of electric arc descends, ordinary circumstance, and the exhaust-pipe-free xenon lamp, Y gets about 0.35.
size of reducer coupling area is relevant with the loss of light radiation; For reducing thermal losses; We get 4.5MM with the D value; Thickness is got 3MM simultaneously, and it also is effectively to reduce thermal losses that shown in accompanying drawing, contract front cover and cell-shell junction are designed to " reducing " shape purpose, and bulb temperature rise in the process of lighting a lamp is accelerated.
For avoiding producing too much H in the course of processing in the electric arc tube
2
And H
2
The O molecule fills in the process of washing in exhaust, and we add 1 baking oven for the quartz ampoule surface, and temperature is 150 ℃, only in cleaning process, uses, as much as possible with H
2
With H
2
O drains, and purpose promptly is to improve the life-span, and the phenomenon of avoiding relight voltage and starting resistor to raise starts lamp more easily and lights a lamp.
Claims (1)
1.
A kind of no comb xenon street lamp electric arc tube; Its composition comprises: cell-shell is characterized in that: described cell-shell is an elliposoidal, non air exit hole on the described cell-shell; Described cell-shell two ends have eck respectively; Electrode passes described eck and extend into described cell-shell the inside, and described electrode connects molybdenum sheet, and described molybdenum sheet connects molybdenum rod
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200167228U CN202103015U (en) | 2011-01-19 | 2011-01-19 | Electric arc tube of xenon street lamp without exhaust pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200167228U CN202103015U (en) | 2011-01-19 | 2011-01-19 | Electric arc tube of xenon street lamp without exhaust pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202103015U true CN202103015U (en) | 2012-01-04 |
Family
ID=45389017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200167228U Expired - Fee Related CN202103015U (en) | 2011-01-19 | 2011-01-19 | Electric arc tube of xenon street lamp without exhaust pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202103015U (en) |
-
2011
- 2011-01-19 CN CN2011200167228U patent/CN202103015U/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 | ||
| ASS | Succession or assignment of patent right |
Owner name: HEILONGJIANG GONGDA GUOXIN OPTOELECTRONIC TECHNOLO Free format text: FORMER OWNER: YAO XIANGFU Effective date: 20120306 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120306 Address after: 150001 Northeast Asia Building 170, 1211 Xinjie street, Nangang District, Heilongjiang, Harbin Patentee after: Heilongjiang Gongda Guoxin Photoelectric Technology Co., Ltd. Address before: 150001, building 2, building 635, Civil Affairs Bureau, 4 Zhengyang Avenue, Zhaodong, Heilongjiang, Harbin Patentee before: Mi Xiangfu |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20170119 |