CN104183457A - Ceramic halogen lamp electrode - Google Patents
Ceramic halogen lamp electrode Download PDFInfo
- Publication number
- CN104183457A CN104183457A CN201310204426.4A CN201310204426A CN104183457A CN 104183457 A CN104183457 A CN 104183457A CN 201310204426 A CN201310204426 A CN 201310204426A CN 104183457 A CN104183457 A CN 104183457A
- Authority
- CN
- China
- Prior art keywords
- halogen lamp
- connecting rod
- electrode bar
- tungsten
- lamp pole
- Prior art date
- 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.)
- Pending
Links
Landscapes
- Discharge Lamp (AREA)
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 tungsten alloy comprising lanthanum hafnate and tungsten. The percentage content, by mass, of the lanthanum hafnate is from 0.2 to 3 percent. The ceramic halogen lamp electrode causes no radioactive contamination.
Description
Technical field
The present invention relates to a kind of ceramic metal halogen lamp pole.
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 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, be necessary to provide a kind of ceramic metal halogen lamp pole of no radioactivity pollute.
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 is tungsten alloy, described tungsten alloy contains hafnium acid lanthanum and tungsten, the hafnium acid lanthanum that the quality percentage composition of described hafnium acid lanthanum is 0.2%～3%.
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.
Above-mentioned ceramic metal halogen lamp pole, electrode bar adopts tungsten and hafnium acid lanthanum alloy, non-radioactive material, thus avoid radioactive contamination; Hafnium acid lanthanum can reduce the work function of tungsten metal, thereby is conducive to thermionic transmitting; The fusing point of hafnium acid lanthanum is very high, and this will be conducive to improve the life-span of electrode.
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 is further illustrated.
Refer to Fig. 1, the ceramic metal halogen lamp pole 10 of an execution mode, 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 is tungsten alloy, and tungsten alloy contains hafnium acid lanthanum (La2Hf2O7) and tungsten, and the quality percentage composition of hafnium acid lanthanum is 0.2%～3%.
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.
Above-mentioned ceramic metal halogen lamp pole 10, electrode bar 3 adopts electrode bar to adopt tungsten and hafnium acid lanthanum alloy, non-radioactive material, thus avoid radioactive contamination; Hafnium acid lanthanum can reduce the work function of tungsten metal, thereby is conducive to thermionic transmitting; The fusing point of hafnium acid lanthanum is very high, and this will be conducive to improve the life-span of electrode.
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 |
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 is tungsten alloy, contains hafnium acid lanthanum and tungsten in tungsten alloy, and the quality percentage composition of hafnium acid lanthanum is 0.2%, 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 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 69Lm/w, and color rendering index is 75, 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, contains hafnium acid lanthanum and tungsten in tungsten alloy, the quality percentage composition of hafnium acid lanthanum is 2%, and all the other are tungsten.
Ceramic metal halogen lamp pole is applied in ceramic gold-halogen lamp.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 system and test of electric light source to obtain, the luminous efficiency of ceramic gold-halogen lamp is 75Lm/w, and color rendering index is 83, and colour temperature is 3960K 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, contains hafnium acid lanthanum and tungsten in tungsten alloy, the quality percentage composition of hafnium acid lanthanum is 3%, and all the other are tungsten.
Ceramic metal halogen lamp pole is applied in ceramic gold-halogen lamp.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 system and test of electric light source to obtain, the luminous efficiency of ceramic gold-halogen lamp is 73Lm/w, and color rendering index is 81, and colour temperature is 3940K 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, 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.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 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.
Comparative example 2
Ceramic gold-halogen lamp lighting electrode structure in structure and the embodiment 1 of the ceramic gold-halogen lamp lighting electrode of comparative example 2 is roughly the same, its difference is, in comparative example 2, the material of electrode bar 3 comprises tungsten, lanthana and hafnium oxide, the quality percentage composition of lanthana is 0.9%, the quality percentage composition of hafnium oxide is 1.1%, and all the other are tungsten.
Ceramic metal halogen lamp pole is applied in ceramic gold-halogen lamp.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 system and test of electric light source to obtain, the luminous efficiency of ceramic gold-halogen lamp is 73Lm/w, and color rendering index is 82, and colour temperature is 3930K 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 (6)
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 is tungsten alloy, described tungsten alloy contains hafnium acid lanthanum and tungsten, and the quality percentage composition of described hafnium acid lanthanum is 0.2%～3%.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310204426.4A CN104183457A (en) | 2013-05-28 | 2013-05-28 | Ceramic halogen lamp electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310204426.4A CN104183457A (en) | 2013-05-28 | 2013-05-28 | Ceramic halogen lamp electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104183457A true CN104183457A (en) | 2014-12-03 |
Family
ID=51964419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310204426.4A Pending CN104183457A (en) | 2013-05-28 | 2013-05-28 | Ceramic halogen lamp electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104183457A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3700951A (en) * | 1970-02-11 | 1972-10-24 | Thorn Lighting Ltd | Discharge lamps having improved thermionic cathodes |
| JPS5549853A (en) * | 1978-09-07 | 1980-04-10 | Toshiba Corp | Discharge lamp |
| CN1112285A (en) * | 1993-10-07 | 1995-11-22 | 菲利浦电子有限公司 | High-pressure metal halide discharge lamp |
| WO2005073418A1 (en) * | 2004-01-30 | 2005-08-11 | Nippon Tungsten Co., Ltd. | Tungsten based sintered compact and method for production thereof |
| CN201038122Y (en) * | 2007-04-16 | 2008-03-19 | 广东雪莱特光电科技股份有限公司 | Highly effective long life ceramic metal halide lamp |
-
2013
- 2013-05-28 CN CN201310204426.4A patent/CN104183457A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3700951A (en) * | 1970-02-11 | 1972-10-24 | Thorn Lighting Ltd | Discharge lamps having improved thermionic cathodes |
| JPS5549853A (en) * | 1978-09-07 | 1980-04-10 | Toshiba Corp | Discharge lamp |
| CN1112285A (en) * | 1993-10-07 | 1995-11-22 | 菲利浦电子有限公司 | High-pressure metal halide discharge lamp |
| WO2005073418A1 (en) * | 2004-01-30 | 2005-08-11 | Nippon Tungsten Co., Ltd. | Tungsten based sintered compact and method for production thereof |
| CN201038122Y (en) * | 2007-04-16 | 2008-03-19 | 广东雪莱特光电科技股份有限公司 | Highly effective long life ceramic metal halide lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101147228B (en) | Ceramic metal halide lamp | |
| JP5020806B2 (en) | Optimal shape ceramic metal halide lamp | |
| JP2007005317A (en) | Ceramic metal halide lamp | |
| US7138766B2 (en) | Dimmable metal halide lamp and lighting method | |
| JP5504682B2 (en) | Ceramic metal halide lamp | |
| Bergner et al. | Investigating the outer-bulb discharge as ignition aid for automotive-HID lamps | |
| CN104183457A (en) | Ceramic halogen lamp electrode | |
| CN101436508A (en) | Electrode structure of ceramic metallic halogen lamp and ceramic metallic halogen lamp with the same | |
| CN104183455A (en) | Ceramic halogen lamp electrode and ceramic halogen lamp | |
| CN104183459A (en) | Ceramic halogen lamp electrode | |
| JP3925249B2 (en) | Metal halide lamp | |
| CN208722843U (en) | A kind of electrode assembly for ceramic gold-halogen lamp | |
| CN104658857A (en) | Ceramic metal halide lamp electrode and ceramic metal halide lamp | |
| CN104183464A (en) | Ceramic halogen lamp electrode and ceramic halogen lamp | |
| JP5370878B1 (en) | Ceramic metal halide lamp | |
| CN104183458A (en) | Ceramic halogen lamp electrode and ceramic halogen lamp | |
| CN104183460A (en) | Ceramic halogen lamp electrode and ceramic halogen lamp | |
| CN104183462A (en) | Ceramic halogen lamp electrode and ceramic halogen lamp | |
| CN104183463A (en) | Ceramic halogen lamp electrode and ceramic halogen lamp | |
| CN104183461A (en) | Ceramic halogen lamp electrode and ceramic halogen lamp | |
| CN104183456A (en) | Ceramic halogen lamp electrode and ceramic halogen lamp | |
| CN104178674A (en) | Emitting material of ceramic metal halide lamp, and manufacturing method and application thereof | |
| CN102290321A (en) | Electrode assembly special for ceramic metal halide lamp | |
| CN203367229U (en) | Special electrode subassembly for medium-and-high power cermethalide lamp | |
| CN203733759U (en) | Metal halide lamp electrode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141203 |