CN104183462A - Ceramic halogen lamp electrode and ceramic halogen lamp - Google Patents
Ceramic halogen lamp electrode and ceramic halogen lamp Download PDFInfo
- Publication number
- CN104183462A CN104183462A CN201310204392.9A CN201310204392A CN104183462A CN 104183462 A CN104183462 A CN 104183462A CN 201310204392 A CN201310204392 A CN 201310204392A CN 104183462 A CN104183462 A CN 104183462A
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- China
- Prior art keywords
- halogen lamp
- ceramic
- connecting rod
- electrode bar
- lamp pole
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Abstract
Provided is a ceramic halogen lamp electrode that comprises a leading-out wire, a connecting rod, and an electrode bar. The leading-out wire and the electrode bar are connected with the two ends of the connecting rod, respectively. The material of the electrode bar comprises tungsten, zirconium oxide, and cerium oxide. The total percentage content, by mass, of the zirconium oxide and the cerium oxide in the electrode bar is from 0.2 to 3 percent. The mass ratio of the zirconium oxide to the cerium oxide is between 1.3 to 1 and 1.6 to 1. The ceramic halogen lamp electrode causes no radioactive contamination. The invention also provides a ceramic halogen lamp.
Description
Technical field
The present invention relates to a kind of ceramic metal halogen lamp pole and use the ceramic gold-halogen lamp of this ceramic metal halogen lamp pole.
Background technology
Ceramic metal halogen lamp pole comprises lead-out wire, connecting rod and electrode bar, lead-out wire and electrode bar are connected with the two ends of connecting rod respectively, and lead-out wire, connecting rod and electrode bar coaxial electrode rod, as origin or beginning or the end of electrical discharge arc, have at high temperature anti-halide chemical corrosion; The sleeve of lead-out wire and ceramic arc tube has close thermal coefficient of expansion, plays the effect of hermetic seal; And connecting rod not only plays connecting electrode rod and lead-out wire, and play the effect of halide to lead-out wire corrosion of avoiding.
The material of electrode bar is selected thorium tungsten alloy conventionally, and the interpolation of thorium can be played the work function that reduces tungsten metal, improves electrode heat of emission electronic efficiency, striking and stability.But thorium is radioelement, in producing and using, there is radioactive contamination.
Summary of the invention
Based on this, the ceramic gold-halogen lamp that is necessary to provide a kind of ceramic metal halogen lamp pole of no radioactivity pollute and uses this ceramic metal halogen lamp pole.
A kind of ceramic metal halogen lamp pole, described ceramic metal halogen lamp pole comprises lead-out wire, connecting rod and electrode bar, described lead-out wire and described electrode bar are connected with the two ends of described connecting rod respectively, the material of described electrode bar comprises tungsten, zirconia and cerium oxide, the gross mass percentage composition of zirconia described in electrode bar and described cerium oxide is 0.2%～3%, and the mass ratio of described zirconia and described cerium oxide is 1.3:1～1.6:1.
In an embodiment, described lead-out wire and described electrode bar are connected with the two ends of described connecting rod respectively by the mode of welding therein.
In an embodiment, also comprise tungsten filament helix body therein, described tungsten filament helix body is set around described electrode bar one end away from described connecting rod.
In an embodiment, also comprise molybdenum filament helicoid therein, described molybdenum filament helicoid is set around described connecting rod.
In an embodiment, the material of described lead-out wire is niobium therein.
In an embodiment, the material of described connecting rod is molybdenum therein.
A kind of ceramic gold-halogen lamp, comprises above-mentioned ceramic metal halogen lamp pole.
In an embodiment, also comprise Illuminant pill therein, the material of described Illuminant pill comprises sodium iodide, thallium iodide and indium iodide, and the mass ratio of described sodium iodide, described thallium iodide and described indium iodide is 0.005～0.015:6.0 × 10
-4～7.0 × 10
-4: 4.0 × 10
-5～4.7 × 10
-5.
In an embodiment, the diameter of described Illuminant pill is 0.3mm～0.8mm therein.
In an embodiment, the grain of described Illuminant pill is heavily 0.3mg～1.1mg therein.
Above-mentioned ceramic metal halogen lamp pole, the material of electrode bar comprises tungsten, zirconia and cerium oxide, non-radioactive material, thus avoid radioactive contamination; In the material of electrode bar, contain cerium oxide, cerium oxide can reduce the work function of tungsten, is conducive to thermionic transmitting, and the requirement of the low current while effectively having ensured rapid triggering gas has been avoided the impact of high electric current to fluorescent tube, the life-span of having improved Metal halogen lamp; Zirconia and cerium oxide can generate a kind of stable mixture, suppress the evaporation of cerium oxide, improve the life-span of ceramic metal halogen lamp pole.
Brief description of the drawings
Fig. 1 is the structural representation of the ceramic metal halogen lamp pole 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 metal halogen lamp pole and preparation method thereof is further illustrated.
Refer to Fig. 1, the ceramic gold-halogen lamp of an execution mode comprises ceramic metal halogen lamp pole 10 and Illuminant pill.Ceramic metal halogen lamp pole 10 comprises lead-out wire 1, connecting rod 2, electrode bar 3, molybdenum filament helicoid 4 and tungsten filament helix body 5.
One end of lead-out wire 1 is connected with one end of connecting rod 2.The material of lead-out wire 1 is niobium.Lead-out wire 1 is shaft-like and coaxial with connecting rod 2.In present embodiment, lead-out wire 1 is connected with one end of connecting rod 2 by the mode of welding.
The material of connecting rod 2 is niobium.
One end of electrode bar 3 is connected away from one end of lead-out wire 1 with connecting rod 2.In present embodiment, one end of electrode bar 3 is connected with one end of connecting rod 2 by the mode of welding.Connecting rod 2 is coaxial with electrode bar 3.
The material of electrode bar 3 comprises tungsten, zirconia and cerium oxide.In electrode bar 3, the gross mass percentage composition of zirconia and cerium oxide is 0.2%～3%, and all the other are tungsten, and the mass ratio of zirconia and cerium oxide is 1.3:1～1.6:1.Zirconia and cerium oxide are evenly distributed in tungsten.
Molybdenum filament helicoid 4 is set around connecting rod 2.
Tungsten filament helix body 5 is set around electrode bar 3 one end away from connecting rod 2.
Further, in ceramic metal halogen lamp pole 10 diameter of lead-out wire 1, connecting rod 2, electrode bar 3, molybdenum filament helicoid 4 and tungsten filament helix body 5 and length can be as required and the power of ceramic gold-halogen lamp adjust.Such as, the diameter of lead-out wire 1, connecting rod 2, electrode bar 3, molybdenum filament helicoid 4 and tungsten filament helix body 5 in the ceramic metal halogen lamp pole 10 of 40W, 70W and 150W is disclosed in table 1, it should be noted that, the size of ceramic metal halogen lamp pole 10 can be adjusted according to the actual needs, is not limited to the size of enumerating in table 1.
Table 1
| Item | 40w | 70w | 150w |
| Electrode bar diameter (mm) | 0.21 | 0.32 | 0.40 |
| Tungsten filament helix body diameter (mm) | 0.47 | 0.63 | 0.94 |
| Connecting rod diameter (mm) | 0.39 | 0.39 | 0.54 |
| Molybdenum filament helicoid diameter (mm) | 0.67 | 0.67 | 0.90 |
| Lead-out wire diameter (mm) | 0.65 | 0.65 | 0.90 |
The material of Illuminant pill comprises sodium iodide (NaI), thallium iodide (TII) and indium iodide (InI
3).Sodium iodide (NaI), thallium iodide (TII) and indium iodide (InI
3) mass ratio be
0.005～0.015:6.0×10
-4～7.0×10
-4:4.0×10
-5～4.7×10
-5。
Preferably, the diameter of Illuminant pill is 0.3mm～0.8mm.
Preferably, the grain of Illuminant pill is heavily 0.3mg～1.1mg.
The preparation method of above-mentioned Illuminant pill, comprises the following steps:
Step S110, by sodium iodide (NaI), thallium iodide (TII) and indium iodide (InI
3) mixture vacuum treatment 50 minutes at 130 DEG C of forming after mixing.
Sodium iodide (NaI), thallium iodide (TII) and indium iodide (InI
3) mass ratio be 0.005～0.015:6.0 × 10
-4～7.0 × 10
-4: 4.0 × 10
-5～4.7 × 10
-5.
Preferably, mixture is placed on and in the quartz container with nozzle, carries out vacuum treatment.
Step S120, mixture is heated to melting, stirs 30 minutes.
Step S130, under the atmosphere of protective gas, the mixture of melting is made to the spherical and cooling Illuminant pill that obtains.
Preferably, protective gas is selected from least one in argon gas and nitrogen.
Preferably, the mixture that sprays melting by nozzle is to make spherical by the mixture of melting.
Preferably, the diameter of Illuminant pill is 0.3mm～0.8mm.
Preferably, the grain of Illuminant pill is heavily 0.3mg～1.1mg.
Step S140, Illuminant pill is placed in high vacuum system to the assorted gas of trace that is adsorbed on Illuminant pill surface to remove.
When Illuminant pill is cooling in the atmosphere of protective gas, micro-protective gas can be adhered in surface, is the assorted gas of trace.
Step S150, Illuminant pill is sieved in the glove box lower than 1ppm at water and oxygen content.
In this step, when screening, choose as required substandard Illuminant pill.
Certainly, ceramic gold-halogen lamp also comprises other necessary parts such as electric arc tube, lamp holder, does not repeat one by one at this.
Above-mentioned ceramic metal halogen lamp pole 10, the material of electrode bar 3 comprises tungsten, zirconia and cerium oxide, non-radioactive material, thus avoid radioactive contamination; In the material of electrode bar 3, contain cerium oxide, cerium oxide can lower the work function of tungsten, is conducive to thermionic transmitting, and the requirement of the low current while effectively having ensured rapid triggering gas has been avoided the impact of high electric current to fluorescent tube, the life-span of having improved Metal halogen lamp; Zirconia and cerium oxide can generate a kind of stable mixture, suppress the evaporation of cerium oxide, improve the life-span of ceramic metal halogen lamp pole 10.
Below in conjunction with specific embodiment, ceramic metal halogen lamp pole provided by the invention is elaborated.
Embodiment 1
Ceramic metal halogen lamp pole comprises lead-out wire 1, connecting rod 2, electrode bar 3, molybdenum filament helicoid 4 and tungsten filament helix body 5.One end of lead-out wire 1 is connected with one end of connecting rod 2.The material of lead-out wire 1 is niobium.Lead-out wire 1 is shaft-like and coaxial with connecting rod 2.In present embodiment, lead-out wire 1 is connected with one end of connecting rod 2 by the mode of welding.The material of connecting rod 2 is niobium.One end of electrode bar 3 is connected away from one end of lead-out wire 1 with connecting rod 2.In present embodiment, one end of electrode bar 3 is connected with one end of connecting rod 2 by the mode of welding.Connecting rod 2 is coaxial with electrode bar 3.The material of electrode bar 3 comprises tungsten, zirconia and cerium oxide, and in electrode bar 3, the gross mass percentage composition of zirconia and cerium oxide is 0.2%, and all the other are tungsten, and the mass ratio of zirconia and cerium oxide is
1.3:1.Molybdenum filament helicoid 4 is set around connecting rod 2.Tungsten filament helix body 5 is set around electrode bar 3 one end away from connecting rod 2.
Ceramic metal halogen lamp pole is of a size of the corresponding parameter of the size of the ceramic metal halogen lamp pole of 70W in table 1.
Ceramic metal halogen lamp pole is applied in ceramic gold-halogen lamp, and in this Metal halogen lamp, arc tube volume is 0.28cm
3, interelectrode distance is 7mm, and mercury is 0.3mg, and xenon is 5 atmospheric pressure, sodium iodide in selected Illuminant pill, the mass ratio of thallium iodide and indium iodide is 0.01:6.6 × 10
-4: 4.4 × 10
-5.The weight of Illuminant pill is 0.7mg, and particle diameter is 0.5mm.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 68Lm/w, and color rendering index is 73, and colour temperature is 3850K 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 gold-halogen lamp lighting electrode structure in structure and the embodiment 1 of the ceramic gold-halogen lamp lighting electrode of embodiment 2 is roughly the same, its difference is, in embodiment 2, the material of electrode bar 3 comprises tungsten, zirconia and cerium oxide, in electrode bar 3, the gross mass percentage composition of zirconia and cerium oxide is 2%, all the other are tungsten, and the mass ratio of zirconia and cerium oxide is 1.4:1.
Ceramic metal halogen lamp pole and Illuminant pill are applied in ceramic gold-halogen lamp.In this Metal halogen lamp, arc tube volume is 0.28cm
3, interelectrode distance is 7mm, and mercury is 0.3mg, and xenon is 5 atmospheric pressure, sodium iodide in selected Illuminant pill, the mass ratio of thallium iodide and indium iodide is 0.01:6.6 × 10
-4: 4.4 × 10
-5.The weight of Illuminant pill is 0.3mg, and particle diameter is 0.3mm.Use the quick photochromic test system and test of electric light source to obtain, the luminous efficiency of ceramic gold-halogen lamp is 74Lm/w, and color rendering index is 84, and colour temperature is 3930K relatively.
Embodiment 3
Ceramic gold-halogen lamp lighting electrode structure in structure and the embodiment 1 of the ceramic gold-halogen lamp lighting electrode of embodiment 3 is roughly the same, its difference is, in embodiment 3, the material of electrode bar 3 comprises tungsten, zirconia and cerium oxide, in electrode bar 3, the gross mass percentage composition of zirconia and cerium oxide is 3%, all the other are tungsten, and the mass ratio of zirconia and cerium oxide is
1.6:1.
Ceramic metal halogen lamp pole is applied in ceramic gold-halogen lamp.In this Metal halogen lamp, arc tube volume is 0.28cm
3, interelectrode distance is 7mm, and mercury is 0.3mg, and xenon is 5 atmospheric pressure, sodium iodide in selected Illuminant pill, the mass ratio of thallium iodide and indium iodide is 0.01:6.6 × 10
-4: 4.4 × 10
-5.The weight of Illuminant pill is 1.1mg, and particle diameter is 0.8mm.Use the quick photochromic test system and test of electric light source to obtain, the luminous efficiency of ceramic gold-halogen lamp is 72Lm/w, and color rendering index is 81, and colour temperature is 3910K relatively.
Comparative example
Ceramic gold-halogen lamp lighting electrode structure in structure and the embodiment 1 of the ceramic gold-halogen lamp lighting electrode of comparative example is roughly the same, its difference is, in comparative example, the material of electrode bar 3 is thorium tungsten alloy, in thorium tungsten alloy, the quality percentage composition of thorium is 2%, and in thorium tungsten alloy, the quality percentage composition of tungsten is 98%.
Ceramic metal halogen lamp pole is applied in ceramic gold-halogen lamp.In this Metal halogen lamp, arc tube volume is 0.28cm
3, interelectrode distance is 7mm, and mercury is 0.3mg, and xenon is 5 atmospheric pressure, sodium iodide in selected Illuminant pill, the mass ratio of thallium iodide and indium iodide is 0.01:6.6 × 10
-4: 4.4 × 10
-5.The weight of Illuminant pill is 0.7mg, and particle diameter is 0.5mm.Use the quick photochromic test system and test of electric light source to obtain, the luminous efficiency of ceramic gold-halogen lamp is 72Lm/w, and color rendering index is 80, and colour temperature is 3890K 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 (10)
1. a ceramic metal halogen lamp pole, it is characterized in that, described ceramic metal halogen lamp pole comprises lead-out wire, connecting rod and electrode bar, described lead-out wire and described electrode bar are connected with the two ends of described connecting rod respectively, the material of described electrode bar comprises tungsten, zirconia and cerium oxide, the gross mass percentage composition of zirconia described in electrode bar and described cerium oxide is 0.2%～3%, and the mass ratio of described zirconia and described cerium oxide is 1.3:1～1.6:1.
2. ceramic metal halogen lamp pole as claimed in claim 1, is characterized in that, described lead-out wire and described electrode bar are connected with the two ends of described connecting rod respectively by the mode of welding.
3. ceramic metal halogen lamp pole as claimed in claim 1, is characterized in that, also comprises tungsten filament helix body, and described tungsten filament helix body is set around described electrode bar one end away from described connecting rod.
4. ceramic metal halogen lamp pole as claimed in claim 1, is characterized in that, also comprises molybdenum filament helicoid, and described molybdenum filament helicoid is set around described connecting rod.
5. ceramic metal halogen lamp pole as claimed in claim 1, is characterized in that, the material of described lead-out wire is niobium.
6. ceramic metal halogen lamp pole as claimed in claim 1, is characterized in that, the material of described connecting rod is molybdenum.
7. a ceramic gold-halogen lamp, is characterized in that, comprises the ceramic metal halogen lamp pole described in claim 1 to 6 any one.
8. ceramic gold-halogen lamp as claimed in claim 7, it is characterized in that, also comprise Illuminant pill, the material of described Illuminant pill comprises sodium iodide, thallium iodide and indium iodide, and the mass ratio of described sodium iodide, described thallium iodide and described indium iodide is 0.005～0.015:6.0 × 10
-4～7.0 × 10
-4: 4.0 × 10
-5～4.7 × 10
-5.
9. ceramic gold-halogen lamp as claimed in claim 8, is characterized in that, the diameter of described Illuminant pill is 0.3mm～0.8mm.
10. ceramic gold-halogen lamp as claimed in claim 8, is characterized in that, the grain of described Illuminant pill is heavily 0.3mg～1.1mg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310204392.9A CN104183462A (en) | 2013-05-28 | 2013-05-28 | Ceramic halogen lamp electrode and ceramic halogen lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310204392.9A CN104183462A (en) | 2013-05-28 | 2013-05-28 | Ceramic halogen lamp electrode and ceramic halogen lamp |
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| Publication Number | Publication Date |
|---|---|
| CN104183462A true CN104183462A (en) | 2014-12-03 |
Family
ID=51964424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310204392.9A Pending CN104183462A (en) | 2013-05-28 | 2013-05-28 | Ceramic halogen lamp electrode and ceramic halogen lamp |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112285A (en) * | 1993-10-07 | 1995-11-22 | 菲利浦电子有限公司 | High-pressure metal halide discharge lamp |
| US20060267501A1 (en) * | 2005-05-31 | 2006-11-30 | Koito Manufacturing Co., Ltd. | Mercury-free arc tube for discharge bulb |
| CN1983016A (en) * | 2005-12-13 | 2007-06-20 | 优志旺电机株式会社 | Light source device |
| CN101255973A (en) * | 2007-02-27 | 2008-09-03 | 优志旺电机株式会社 | Optical apparatus |
| CN101477933A (en) * | 2008-12-15 | 2009-07-08 | 芜湖兴华照明电器有限公司 | Illuminant pill for metal halide white lamp |
| CN101657877A (en) * | 2007-04-05 | 2010-02-24 | 皇家飞利浦电子股份有限公司 | Mercury-free high intensity gas-discharge lamp |
| CN101669189A (en) * | 2007-04-20 | 2010-03-10 | 皇家飞利浦电子股份有限公司 | The metal halide lamp that comprises ionogenic salt filling |
-
2013
- 2013-05-28 CN CN201310204392.9A patent/CN104183462A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112285A (en) * | 1993-10-07 | 1995-11-22 | 菲利浦电子有限公司 | High-pressure metal halide discharge lamp |
| US20060267501A1 (en) * | 2005-05-31 | 2006-11-30 | Koito Manufacturing Co., Ltd. | Mercury-free arc tube for discharge bulb |
| CN1983016A (en) * | 2005-12-13 | 2007-06-20 | 优志旺电机株式会社 | Light source device |
| CN101255973A (en) * | 2007-02-27 | 2008-09-03 | 优志旺电机株式会社 | Optical apparatus |
| CN101657877A (en) * | 2007-04-05 | 2010-02-24 | 皇家飞利浦电子股份有限公司 | Mercury-free high intensity gas-discharge lamp |
| CN101669189A (en) * | 2007-04-20 | 2010-03-10 | 皇家飞利浦电子股份有限公司 | The metal halide lamp that comprises ionogenic salt filling |
| CN101477933A (en) * | 2008-12-15 | 2009-07-08 | 芜湖兴华照明电器有限公司 | Illuminant pill for metal halide white lamp |
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Application publication date: 20141203 |