CN104183464A - Ceramic halogen lamp electrode and ceramic halogen lamp - Google Patents
Ceramic halogen lamp electrode and ceramic halogen lamp Download PDFInfo
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- CN104183464A CN104183464A CN201310204400.XA CN201310204400A CN104183464A CN 104183464 A CN104183464 A CN 104183464A CN 201310204400 A CN201310204400 A CN 201310204400A CN 104183464 A CN104183464 A CN 104183464A
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- halogen lamp
- connecting rod
- ceramic
- metal halogen
- 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 is molybdenum alloy. The molybdenum alloy comprises, by mass, 0.2% to 2% of chromium, 0.1% to 0.5% of yttrium oxide, and the balance being molybdenum. The ceramic halogen lamp electrode is stable in performance. 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 ceramic gold-halogen lamp.
Background technology
State ceramic metal halogen lamp pole and comprise 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 main component of connecting rod is metal molybdenum, electrode temperature while work due to Metal halogen lamp is higher, to still inevitably there is a certain amount of chemical reaction with golden halogen thing in connecting rod like this, thereby reduce light efficiency, and this will have influence on the normal working performance of Metal halogen lamp to a certain extent.
Summary of the invention
Based on this, be necessary to provide a kind of ceramic metal halogen lamp pole and ceramic gold-halogen lamp of stable performance.
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 connecting rod is molybdenum alloy, described molybdenum alloy is according to weight percent meter, comprise 0.2%～2% chromium, 0.1%～0.5% yittrium oxide, all the other are molybdenum.
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 electrode bar is thorium tungsten alloy therein, and in described thorium tungsten alloy, the quality percentage composition of thorium is 2%.
A kind of ceramic gold-halogen lamp, comprises above-mentioned ceramic metal halogen lamp pole.
Above-mentioned ceramic metal halogen lamp pole and ceramic gold-halogen lamp, the material of connecting rod is molybdenum alloy, the existence of yittrium oxide can improve the weldability of connecting rod and lead-out wire, electrode bar, the introducing of chromium can improve the ability of the anti-golden halogen thing corrosion of connecting rod, performance is comparatively stable, thereby improves the life-span of light efficiency and Metal halogen lamp; Chromium can be brought into play to existing poisonous trace impurity in Metal halogen lamp (as electrode, the oxygen that metal halide pill and electric arc tube self bring, hydrogen, carbon) effect of getter in addition, thereby improves life-span and the luminescent properties of Metal halogen lamp.
Brief description of the drawings
Fig. 1 is the partial structurtes schematic diagram of the ceramic gold-halogen lamp of an execution mode;
Fig. 2 is the structural representation of the ceramic metal halogen lamp pole of the ceramic gold-halogen lamp in Fig. 1;
Fig. 3 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 ceramic gold-halogen lamp thereof are further illustrated.
Please refer to Fig. 1 and Fig. 2, the ceramic gold-halogen lamp of an execution mode comprises ceramic metal halogen lamp pole 10, ceramic arc tube 70, electric arc tube sleeve 80, glass solder cup 90.Between ceramic metal halogen lamp pole 10 and electric arc tube sleeve 80, filling glass solder cup 90, to ensure the sealing of ceramic gold-halogen lamp excellence.
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 molybdenum alloy, and described molybdenum alloy, according to weight percent meter, comprises 0.2%～2% chromium, 0.1%～0.5% yittrium oxide, and all the other are molybdenum.Chromium and yittrium oxide are evenly distributed in molybdenum.
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 is thorium tungsten alloy, and in thorium tungsten alloy, the quality percentage composition of thorium is 2%, and all the other are tungsten.
Molybdenum filament helicoid 4 is set around connecting rod 2.Gap between the internal diameter of the external diameter of molybdenum filament helicoid 4 and electric arc tube sleeve 80 is 0.03mm～0.08mm.
Tungsten filament helix body 5 is set around electrode bar 3 one end away from connecting rod 2.The external diameter of molybdenum filament helicoid 4 is more than or equal to the external diameter of tungsten filament helix body 5.
Above-mentioned ceramic gold-halogen lamp, the material of connecting rod is molybdenum alloy, and the existence of yittrium oxide can improve the weldability of connecting rod and lead-out wire, electrode bar, and the introducing of chromium can improve the ability of the anti-golden halogen thing corrosion of connecting rod, performance is comparatively stable, thereby improves the life-span of light efficiency and Metal halogen lamp; Chromium can be brought into play to existing poisonous trace impurity in Metal halogen lamp (as electrode, the oxygen that metal halide pill and electric arc tube self bring, hydrogen, carbon) effect of getter in addition, thereby improves life-span and the luminescent properties of Metal halogen lamp.
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 | 0.85 |
| Connecting rod diameter (mm) | 0.39 | 0.39 | 0.54 |
| Molybdenum filament helicoid diameter (mm) | 0.65 | 0.67 | 0.88 |
| Lead-out wire diameter (mm) | 0.63 | 0.64 | 0.86 |
| Electric arc tube sleeve internal diameter (mm) | 0.70 | 0.70 | 0.91 |
| The length (mm) of sleeve inside lead | 6 | 7 | 7 |
| The length (mm) of the outer lead-out wire of sleeve | 13 | 15 | 15 |
Below in conjunction with specific embodiment, ceramic metal halogen lamp pole provided by the invention is elaborated.
Embodiment 1
Ceramic gold-halogen lamp comprises ceramic metal halogen lamp pole 10, ceramic arc tube 70, electric arc tube sleeve 80, glass solder cup 90.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 molybdenum alloy, and molybdenum alloy, according to weight percent meter, comprises 0.2% chromium, 0.3% yittrium oxide, and all the other are molybdenum.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 is thorium tungsten alloy, and in thorium tungsten alloy, the quality percentage composition of thorium is 2%, and all the other are 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.
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, and selected metal halide pill is 0.8mg, contained component is sodium iodide, thallium iodide and indium iodide, its mol ratio is 0.01:6.6 × 10
-4: 4.4 × 10
-5., 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 3.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, in the normal work of ceramic gold-halogen lamp, after 100 hours, the luminous efficiency of ceramic gold-halogen lamp is 71Lm/w, and color rendering index is 80, and colour temperature is 3920K 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. start before testing light source, 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.
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 connecting rod 2 is molybdenum alloy, molybdenum alloy is according to weight percent meter, comprise 1% chromium, 0.3% yittrium oxide, all the other are molybdenum.
Ceramic metal halogen lamp pole is applied in 70w 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, and selected metal halide pill is 0.8mg, contained component is sodium iodide, thallium iodide and indium iodide, its mol ratio is 0.01:6.6 × 10
-4: 4.4 × 10
-5, use the quick photochromic test system and test of electric light source to obtain, in the normal work of ceramic gold-halogen lamp, after 100 hours, the luminous efficiency of ceramic gold-halogen lamp is 75Lm/w, and color rendering index is 83, and colour temperature is 3970K 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 connecting rod 2 is molybdenum alloy, molybdenum alloy is according to weight percent meter, comprise 2% chromium, 0.3% yittrium oxide, all the other are molybdenum.
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, and selected metal halide pill is 0.8mg, contained component is sodium iodide, thallium iodide and indium iodide, its mol ratio is 0.01:6.6 × 10
-4: 4.4 × 10
-5, use the quick photochromic test system and test of electric light source to obtain, in the normal work of ceramic gold-halogen lamp, after 100 hours, the luminous efficiency of ceramic gold-halogen lamp is 73Lm/w, and color rendering index is 82, and colour temperature is 3960K relatively.
Embodiment 4
Ceramic gold-halogen lamp lighting electrode structure in structure and the embodiment 1 of the ceramic gold-halogen lamp lighting electrode of embodiment 4 is roughly the same, its difference is, in embodiment 4, the material of connecting rod 2 is molybdenum alloy, molybdenum alloy is according to weight percent meter, comprise 0.9% chromium, 0.1% yittrium oxide, all the other are molybdenum.
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, and selected metal halide pill is 0.8mg, contained component is sodium iodide, thallium iodide and indium iodide, its mol ratio is 0.01:6.6 × 10
-4: 4.4 × 10
-5, use the quick photochromic test system and test of electric light source to obtain, in the normal work of ceramic gold-halogen lamp, after 100 hours, the luminous efficiency of ceramic gold-halogen lamp is 74Lm/w, and color rendering index is 82, and colour temperature is 3930K relatively.
Embodiment 5
Ceramic gold-halogen lamp lighting electrode structure in structure and the embodiment 1 of the ceramic gold-halogen lamp lighting electrode of embodiment 5 is roughly the same, its difference is, in embodiment 5, the material of connecting rod 2 is molybdenum alloy, molybdenum alloy is according to weight percent meter, comprise 1% chromium, 0.5% yittrium oxide, all the other are molybdenum.
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, and selected metal halide pill is 0.8mg, contained component is sodium iodide, thallium iodide and indium iodide, its mol ratio is 0.01:6.6 × 10
-4: 4.4 × 10
-5, use the quick photochromic test system and test of electric light source to obtain, in the normal work of ceramic gold-halogen lamp, after 100 hours, the luminous efficiency of ceramic gold-halogen lamp is 72Lm/w, and color rendering index is 81, and colour temperature is 3920K 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, and its difference is, in comparative example, the material of connecting rod is molybdenum.
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, and selected metal halide pill is 0.8mg, contained component is sodium iodide, thallium iodide and indium iodide, its mol ratio is 0.01:6.6 × 10
-4: 4.4 × 10
-5, use the quick photochromic test system and test of electric light source to obtain, in the normal work of ceramic gold-halogen lamp, after 100 hours, the luminous efficiency of ceramic gold-halogen lamp is 70Lm/w, and color rendering index is 78, and colour temperature is 3900K 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 (7)
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 connecting rod is molybdenum alloy, and described molybdenum alloy, according to weight percent meter, comprises 0.2%～2% chromium, 0.1%～0.5% yittrium oxide, all the other are molybdenum.
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 electrode bar is thorium tungsten alloy, and in described thorium tungsten alloy, the quality percentage composition of thorium is 2%.
7. a ceramic gold-halogen lamp, is characterized in that, comprises the ceramic metal halogen lamp pole as described in claim 1～6 any one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310204400.XA CN104183464A (en) | 2013-05-28 | 2013-05-28 | Ceramic halogen lamp electrode and ceramic halogen lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310204400.XA CN104183464A (en) | 2013-05-28 | 2013-05-28 | Ceramic halogen lamp electrode and ceramic halogen lamp |
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| CN104183464A true CN104183464A (en) | 2014-12-03 |
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| JP2011096674A (en) * | 2000-03-08 | 2011-05-12 | Gs Yuasa Corp | Discharge lamp |
| CN102460637A (en) * | 2009-06-04 | 2012-05-16 | 松下电器产业株式会社 | High-voltage discharge lamp, lamp unit, projection image display device, and method for manufacturing high-voltage discharge lamp |
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|---|---|---|---|---|
| CN1081786A (en) * | 1992-07-13 | 1994-02-09 | 菲利浦电子有限公司 | High-voltage gas discharging light |
| CN1336007A (en) * | 1999-09-06 | 2002-02-13 | 皇家菲利浦电子有限公司 | Electric lamp with feedthrough comprising a gauze |
| JP2011096674A (en) * | 2000-03-08 | 2011-05-12 | Gs Yuasa Corp | Discharge lamp |
| JP2007501493A (en) * | 2003-08-06 | 2007-01-25 | パテント−トロイハント−ゲゼルシヤフト フユール エレクトリツシエ グリユーラムペン ミツト ベシユレンクテル ハフツング | ELECTRODE SYSTEM WITH NEW TYPE OF CONNECTIONS, RELATED LAMP WITH ELECTRODE SHEET, AND METHOD OF MANUFACTURING THE CONNECTIONS |
| CN1961404A (en) * | 2004-03-31 | 2007-05-09 | 松下电器产业株式会社 | Metal halide lamp and lighting device using this |
| CN101180703A (en) * | 2005-05-19 | 2008-05-14 | 皇家飞利浦电子股份有限公司 | Lamp having molybdenum alloy lamp components |
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Application publication date: 20141203 |