CN104183466A - Ceramic halogen lamp - Google Patents
Ceramic halogen lamp Download PDFInfo
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- CN104183466A CN104183466A CN201310204118.1A CN201310204118A CN104183466A CN 104183466 A CN104183466 A CN 104183466A CN 201310204118 A CN201310204118 A CN 201310204118A CN 104183466 A CN104183466 A CN 104183466A
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- halogen lamp
- ceramic
- iodide
- metal halide
- arc tube
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Abstract
Provided is a ceramic halogen lamp which comprises a ceramic electric arc tube filled with a rare gas, first metal halides, second metal halides, and zinc. The first metal halides comprise sodium iodide, thallium iodide, dysprosium iodide, and thulium iodide. The second metal halides comprise zinc iodide and gallium iodide. The ceramic halogen lamp is environmentally friendly.
Description
Technical field
The present invention relates to a kind of ceramic gold-halogen lamp.
Background technology
Ceramic gold-halogen lamp in the market, the overwhelming majority contains rare gas, metal halide and mercury.Rare gas is generally argon gas or xenon, and its effect is that guarantee fund's halogen lamp can start under low voltage.The electric arc forming is more than the temperature to 1000 of heating electric arc tube tube wall DEG C, and this will impel the mercury that condenses on tube wall and the rapid evaporation of golden halogen thing, thereby makes Metal halogen lamp enter into the stable high-pressure discharge stage.
In the time that Metal halogen lamp is normally worked, golden halogen thing is luminous main material, and in the visible light that mercury and rare gas are launched at Metal halogen lamp, shared ratio is lower.Mercury can maintain Metal halogen lamp as buffer gas and depress work at higher pipe, and this will improve life-span and the light efficiency of Metal halogen lamp.But mercury is a kind of harmful substance, under normal temperature, its vapour pressure is higher, after suction human body, will accumulate in for a long time in body tube, affects the normal operation of the various functions of human body, serious harm health.
Summary of the invention
Based on this, be necessary to provide a kind of ceramic gold-halogen lamp of comparatively environmental protection.
A kind of ceramic gold-halogen lamp, comprise ceramic arc tube, in described ceramic arc tube, be filled with rare gas, the first metal halide, the second metal halide and zinc, described the first metal halide comprises sodium iodide, thallium iodide, iodate dysprosium and iodate thulium, and described the second metal halide comprises zinc iodide and gallium iodide.
In an embodiment, described rare gas is xenon or argon gas therein.
In an embodiment, in described the first metal halide, the quality percentage composition of described sodium iodide is 50%～65% therein, and the quality percentage composition of described thallium iodide is 5%～10%, and the quality percentage composition of described iodate dysprosium is 5～15%, and all the other are iodate thulium.
Described in an embodiment, described in ceramic arc tube, the concentration of the first metal halide is 24～50mg/cm therein
3.
In an embodiment, described in described the second metal halide, the mass ratio of zinc iodide and described gallium iodide is 2:1～1:2 therein.
In an embodiment, the concentration of the second metal halide described in described ceramic arc tube is 5mg/cm therein
3～20mg/cm
3.
In an embodiment, zinc concentration described in described ceramic arc tube is 7.2mg/cm therein
3～18mg/cm
3.
In an embodiment, the pressure of described rare gas in described ceramic arc tube is 100～300torr therein.
Above-mentioned ceramic gold-halogen lamp, is filled with rare gas, the first metal halide, the second metal halide and zinc in ceramic arc tube, do not contain mercury, comparatively environmental protection; Zinc iodide and gallium iodide, as buffer gas, improve the vapour pressure in ceramic arc tube, ensure the normal work of ceramic gold-halogen lamp; After rare gas starts rapidly Metal halogen lamp, the boiling point of the second metal halide zinc iodide and gallium iodide is all lower, vaporize rapidly, and the ionization energy of zinc iodide and gallium iodide is all very high, and this presses the pipe that has improved significantly Metal halogen lamp; Meanwhile, also there is vaporization in the first metal halide thereupon, enters into normal high-pressure discharge process.In the time that ceramic gold-halogen lamp is worked, zinc can be combined by the free iodine atom in ceramic arc tube, thereby effectively improves the content of the free electron in ceramic arc tube, finally improves the light efficiency of Metal halogen lamp.
Brief description of the drawings
Fig. 1 is the structural representation of the ceramic gold-halogen lamp of an execution mode;
Fig. 2 is the structural representation that detects the quick photochromic test macro of electric light source using.
Embodiment
Below in conjunction with the drawings and specific embodiments, ceramic gold-halogen lamp is further illustrated.
Refer to Fig. 1, the ceramic gold-halogen lamp of an execution mode comprises electrode bar 1, connecting rod 2, lead-out wire 3, ceramic arc tube 4, electric arc tube sleeve 5 and glass solder cup 6.Electrode bar 1 connects together by connecting rod 2 with lead-out wire 3.Jointly form the electrode of ceramic gold-halogen lamp.Filling glass solder cup 6 between electric arc tube sleeve 5 and lead-out wire 3, thus the sealing of ceramic gold-halogen lamp ensured.
In present embodiment, the material of electrode bar 1 is thorium tungsten alloy, and in thorium tungsten alloy, the quality percentage composition of thorium is 2%, and all the other are tungsten.
The material of connecting rod 2 is molybdenum.
The material of lead-out wire 3 is niobium.
In present embodiment, the internal volume of ceramic arc tube 4 is 0.02～1.5cm
3.
In ceramic arc tube 4, be filled with rare gas, the first metal halide, the second metal halide and zinc.
Rare gas is xenon or argon gas.The pressure of rare gas in ceramic arc tube 4 is 0.13 × 10
5pa～0.40 × 10
5pa.
The first metal halide comprises sodium iodide, thallium iodide, iodate dysprosium and iodate thulium.In the first metal halide, the quality percentage composition of sodium iodide is 50%～65%, and the quality percentage composition of thallium iodide is 5%～10%, and the quality percentage composition of iodate dysprosium is 5～15%, and all the other are iodate thulium.The concentration of the first metal halide described in ceramic arc tube 4 is 24～50mg/cm
3.
The second metal halide is for comprising zinc iodide and gallium iodide.In the second metal halide, the mass ratio of zinc iodide and gallium iodide is 2:1～1:2.In ceramic arc tube 4, the concentration of the second metal halide is 5mg/cm
3～20mg/cm
3.
In ceramic arc tube 4, zinc concentration is 7.2mg/cm
3～18mg/cm
3.
Above-mentioned ceramic gold-halogen lamp, is filled with rare gas, the first metal halide, the second metal halide and zinc in ceramic arc tube, do not contain mercury, comparatively environmental protection; Zinc iodide and gallium iodide, as buffer gas, improve the vapour pressure in ceramic arc tube, ensure the normal work of ceramic gold-halogen lamp; In the time that ceramic gold-halogen lamp is worked, zinc can be combined by the free iodine atom in ceramic arc tube, thereby effectively improves the content of the free electron in ceramic arc tube, finally improves the light efficiency of Metal halogen lamp.
It should be noted that, in ceramic gold-halogen lamp, the size of each element can change according to the difference of the power of ceramic gold-halogen lamp, is not limited to the above-mentioned size of pointing out.
Below in conjunction with specific embodiment, ceramic gold-halogen lamp provided by the invention is elaborated.
Embodiment 1
70w without mercury ceramic gold-halogen lamp in, arc tube volume is 0.28cm
3, electric arc tube contains xenon, and (at room temperature pressure is 0.27 × 10
5pa), the first metal halide is 36mg/cm
3, concrete component: sodium iodide is that 60wt%(wt% represents quality percentage composition, lower same), thallium iodide is 9wt%, and iodate dysprosium is 12wt%, and iodate thulium is 19wt%.The second metal halide is 18mg/cm
3, wherein the weight ratio of zinc iodide and gallium iodide is 2:1.Zinc is 7.2mg/cm
3.
Use the quick photochromic test macro of electric light source to detect luminous efficiency (ratio of luminous flux and power) and the colour temperature of ceramic gold-halogen lamp.The structural representation of the quick photochromic test macro of electric light source (Fudan University's Photoelectric Experiments chamber provides) as shown in Figure 2.Wherein, wherein SSPD is the linear self-scanning diode array of U.S. EG & G Ret icon～T C512, and polychromator is holographic grating polychromator.The spectral resolution of this system is 1nm, and wavelength repeatability is 0.4nm, and the measure error of all electrical quantitys is 1%, luminous flux test error <0.1% in addition, colour temperature error < ± 0.3%.
Use the quick photochromic test system and test of electric light source to obtain, the luminous efficiency of ceramic gold-halogen lamp is 43Lm/w, and color rendering index is 73, and colour temperature is 4310K relatively.
The method of test is: before each test, the standard sources that is 2856K by colour temperature, first carries out luminous flux calibration and spectral calibration to system, starts before testing light source, and first in ball, burning-point ceramic gold-halogen lamp more than 20 minutes, makes light stability burning-point.Each group ceramic gold-halogen lamp sample size is 12, and wherein vertically lighting a lamp is 6, and it is 6 that level is lit a lamp, and light source is got the mean value of these effective lamp parameters in each parameter of each test point.Following examples method of testing is identical therewith.
Embodiment 2
Ceramic metal halide modulated structure in the ceramic gold-halogen lamp of embodiment 2 and embodiment 1 is roughly the same, and its difference is, in embodiment 2, the first metal halide is 24mg/cm
3, wherein sodium iodide is 65wt%, and thallium iodide is 5wt%, and iodate dysprosium is 5wt%, and iodate thulium is 25wt%.The second metal halide is 5mg/cm
3, wherein the weight ratio of zinc iodide and gallium iodide is 1:2.Zinc is 18mg/cm
3.
Use the quick photochromic test system and test of electric light source to obtain, the luminous efficiency of ceramic gold-halogen lamp is 46Lm/w, and color rendering index is 76, and colour temperature is 4340K relatively.
Embodiment 3
Ceramic metal halide modulated structure in the structure of the ceramic gold-halogen lamp of embodiment 3 and embodiment 1 is roughly the same, and its difference is, in embodiment 3, rare gas is argon gas, and the first metal halide is 50mg/cm
3, sodium iodide is 50wt% therein, and thallium iodide is 10wt%, and iodate dysprosium is 15wt%, and iodate thulium is 25wt%.The second metal halide is 20mg/cm
3, wherein the weight ratio of zinc iodide and gallium iodide is 1:2.Metal simple-substance zinc is 18mg/cm
3.
Use the quick photochromic test system and test of electric light source to obtain, the luminous efficiency of ceramic gold-halogen lamp is 44Lm/w, and color rendering index is 75, and colour temperature is 4330K relatively.
Embodiment 4
Ceramic metal halide modulated structure in the structure of the ceramic gold-halogen lamp of embodiment 4 and embodiment 1 is roughly the same, and its difference is, in embodiment 4, the first metal halide is 36mg/cm
3, sodium iodide is 60wt% therein, and thallium iodide is 9wt%, and iodate dysprosium is 12wt%, and iodate thulium is 19wt%.The second metal halide is 18mg/cm
3, wherein the weight ratio of zinc iodide and gallium iodide is 1:1.Metal simple-substance zinc is 9.0mg/cm
3.
Use the quick photochromic test system and test of electric light source to obtain, the luminous efficiency of ceramic gold-halogen lamp is 48Lm/w, and color rendering index is 77, and colour temperature is 4360K relatively.
Embodiment 5
Ceramic metal halide modulated structure in the structure of the ceramic gold-halogen lamp of embodiment 5 and embodiment 1 is roughly the same, and its difference is, in embodiment 5, the first metal halide is 36mg/cm
3, sodium iodide is 60wt% therein, and thallium iodide is 9wt%, and iodate dysprosium is 12wt%, and iodate thulium is 19wt%.The second metal halide is 18mg/cm
3, wherein the weight ratio of zinc iodide and gallium iodide is 1:1.Metal simple-substance zinc is 13.5mg/cm
3
Use the quick photochromic test system and test of electric light source to obtain, the luminous efficiency of ceramic gold-halogen lamp is 51Lm/w, and color rendering index is 79, and colour temperature is 4390K relatively.
Embodiment 6
Ceramic metal halide modulated structure in the structure of the ceramic gold-halogen lamp of embodiment 6 and embodiment 1 is roughly the same, and its difference is, in embodiment 6, the first metal halide is 36mg/cm
3, sodium iodide is 60wt% therein, and thallium iodide is 9wt%, and iodate dysprosium is 12wt%, and iodate thulium is 19wt%.The second metal halide is 18mg/cm
3, wherein the weight ratio of zinc iodide and gallium iodide is 1:1.Metal simple-substance zinc is 18mg/cm
3.
Use the quick photochromic test system and test of electric light source to obtain, the luminous efficiency of ceramic gold-halogen lamp is 49Lm/w, and color rendering index is 77, and colour temperature is 4370K relatively.
Comparative example 1
Ceramic gold-halogen lamp lighting electrode structure in structure and the embodiment 1 of the ceramic gold-halogen lamp lighting electrode of comparative example 1 is roughly the same, its difference is, in comparative example 1, be filled with xenon, the first metal halide and mercury in ceramic arc tube, xenon pressure is at room temperature 200torr.The first metal halide is 36mg/cm
3, sodium iodide is 60wt% therein, and thallium iodide is 9wt%, and iodate dysprosium is 12wt%, and iodate thulium is 19wt%.Replace the second metal halide with traditional mercury, the content of mercury is 15mg/cm
3.
Use the quick photochromic test system and test of electric light source to obtain, the luminous efficiency of ceramic gold-halogen lamp is 82Lm/w, and color rendering index is 87, and colour temperature is 5140K relatively.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a ceramic gold-halogen lamp, comprise ceramic arc tube, it is characterized in that, in described ceramic arc tube, be filled with rare gas, the first metal halide, the second metal halide and zinc, described the first metal halide comprises sodium iodide, thallium iodide, iodate dysprosium and iodate thulium, and described the second metal halide comprises zinc iodide and gallium iodide.
2. ceramic gold-halogen lamp as claimed in claim 1, is characterized in that, described rare gas is xenon or argon gas.
3. ceramic gold-halogen lamp as claimed in claim 1, is characterized in that, in described the first metal halide, the quality percentage composition of described sodium iodide is 50%～65%, the quality percentage composition of described thallium iodide is 5%～10%, and the quality percentage composition of described iodate dysprosium is 5～15%, and all the other are iodate thulium.
4. ceramic gold-halogen lamp as claimed in claim 1, is characterized in that, the concentration of the first metal halide described in described ceramic arc tube is 24～50mg/cm
3.
5. ceramic gold-halogen lamp as claimed in claim 1, is characterized in that, described in described the second metal halide, the mass ratio of zinc iodide and described gallium iodide is 2:1～1:2.
6. ceramic gold-halogen lamp as claimed in claim 1, is characterized in that, the concentration of the second metal halide described in described ceramic arc tube is 5mg/cm
3～20mg/cm
3.
7. ceramic gold-halogen lamp as claimed in claim 1, is characterized in that, zinc concentration described in described ceramic arc tube is 7.2mg/cm
3～18mg/cm
3.
8. ceramic gold-halogen lamp as claimed in claim 1, is characterized in that, the pressure of described rare gas in described ceramic arc tube is 0.13 × 10
5pa～0.40 × 10
5pa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310204118.1A CN104183466A (en) | 2013-05-28 | 2013-05-28 | Ceramic halogen lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310204118.1A CN104183466A (en) | 2013-05-28 | 2013-05-28 | Ceramic halogen lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104183466A true CN104183466A (en) | 2014-12-03 |
Family
ID=51964428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310204118.1A Pending CN104183466A (en) | 2013-05-28 | 2013-05-28 | Ceramic halogen lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104183466A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1223008A (en) * | 1997-04-09 | 1999-07-14 | 皇家菲利浦电子有限公司 | Metal halide lamp |
| CN1234907A (en) * | 1997-07-23 | 1999-11-10 | 皇家菲利浦电子有限公司 | Mercury free metal halide lamp |
| CN1283867A (en) * | 1999-08-10 | 2001-02-14 | 电灯专利信托有限公司 | Method halide lamp |
| CN1407594A (en) * | 2001-06-27 | 2003-04-02 | 松下电器产业株式会社 | Metal halide lamp |
| CN1591765A (en) * | 2003-08-29 | 2005-03-09 | 松下电器产业株式会社 | Dimmable metal halide lamp and lighting method |
| US20070222387A1 (en) * | 2004-05-13 | 2007-09-27 | Thomas Bittmann | High-Pressure Discharge Lamp |
| CN101986793A (en) * | 2006-12-01 | 2011-03-16 | 皇家飞利浦电子股份有限公司 | Metal halide lamp |
| CN102194648A (en) * | 2010-02-24 | 2011-09-21 | 皇家飞利浦电子股份有限公司 | Hid lighting system |
-
2013
- 2013-05-28 CN CN201310204118.1A patent/CN104183466A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1223008A (en) * | 1997-04-09 | 1999-07-14 | 皇家菲利浦电子有限公司 | Metal halide lamp |
| CN1234907A (en) * | 1997-07-23 | 1999-11-10 | 皇家菲利浦电子有限公司 | Mercury free metal halide lamp |
| CN1283867A (en) * | 1999-08-10 | 2001-02-14 | 电灯专利信托有限公司 | Method halide lamp |
| CN1407594A (en) * | 2001-06-27 | 2003-04-02 | 松下电器产业株式会社 | Metal halide lamp |
| CN1591765A (en) * | 2003-08-29 | 2005-03-09 | 松下电器产业株式会社 | Dimmable metal halide lamp and lighting method |
| US20070222387A1 (en) * | 2004-05-13 | 2007-09-27 | Thomas Bittmann | High-Pressure Discharge Lamp |
| CN101986793A (en) * | 2006-12-01 | 2011-03-16 | 皇家飞利浦电子股份有限公司 | Metal halide lamp |
| CN102194648A (en) * | 2010-02-24 | 2011-09-21 | 皇家飞利浦电子股份有限公司 | Hid lighting system |
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| PB01 | Publication | ||
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Application publication date: 20141203 |