CN104183461A - Ceramic halogen lamp electrode and ceramic halogen lamp - Google Patents
Ceramic halogen lamp electrode and ceramic halogen lamp Download PDFInfo
- Publication number
- CN104183461A CN104183461A CN201310204387.8A CN201310204387A CN104183461A CN 104183461 A CN104183461 A CN 104183461A CN 201310204387 A CN201310204387 A CN 201310204387A CN 104183461 A CN104183461 A CN 104183461A
- Authority
- CN
- China
- Prior art keywords
- halogen lamp
- connecting rod
- ceramic
- electrode bar
- 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
- Vessels And Coating Films For Discharge Lamps (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 comprises tungsten, hafnium oxide, and yttrium oxide. The total percentage content, by mass, of the hafnium oxide and the yttrium oxide in the electrode bar is from 0.2 to 3 percent. The mass ratio of the hafnium oxide to the yttrium oxide is between 0.9 to 1 and 2.8 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, hafnium oxide and yittrium oxide, the gross mass percentage composition of hafnium oxide described in electrode bar and described yittrium oxide is 0.2%～3%, and the mass ratio of described hafnium oxide and described yittrium oxide is 0.9～2.8:1.
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 away from one end of 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 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 mol 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, hafnium oxide and yittrium oxide, non-radioactive material, thus avoided radioactive contamination; In the material of electrode bar, contain yittrium oxide, yittrium oxide can lower the work function of tungsten, is conducive to thermionic transmitting, and the requirement of the low current while effectively having guaranteed rapid triggering gas has been avoided the impact of high electric current to fluorescent tube, the life-span of having improved Metal halogen lamp; Hafnium oxide and yittrium oxide can generate a kind of stable mixture, suppress the evaporation of yittrium oxide, improve the life-span of ceramic metal halogen lamp pole.
Accompanying drawing explanation
Fig. 1 is the structural representation of the ceramic metal halogen lamp pole of an execution mode;
Fig. 2 is for detecting the structural representation of 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 are 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 with connecting rod 2 one end away from lead-out wire 1.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, hafnium oxide and yittrium oxide.In electrode bar 3, the gross mass percentage composition of hafnium oxide and yittrium oxide is 0.2%～3%, and all the other are tungsten, and the mass ratio of hafnium oxide and yittrium oxide is 0.9～2.8:1.
Molybdenum filament helicoid 4 is set around connecting rod 2.
Tungsten filament helix body 5 is set around electrode bar 3 away from one end of 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) mol 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) vacuum treatment 50 minutes at 130 ℃ of the mixture that forms after mixing.
Sodium iodide (NaI), thallium iodide (TII) and indium iodide (InI
3) mol 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, during screening, choose as required substandard Illuminant pill.
Certainly, ceramic gold-halogen lamp also comprises other necessary parts such as electric arc tube, lamp holder, at this, does not repeat one by one.
Above-mentioned ceramic metal halogen lamp pole 10, the material of electrode bar 3 comprises tungsten, hafnium oxide and yittrium oxide, non-radioactive material, thus avoided radioactive contamination; In the material of electrode bar 3, contain yittrium oxide, yittrium oxide can lower the work function of tungsten, is conducive to thermionic transmitting, and the requirement of the low current while effectively having guaranteed rapid triggering gas has been avoided the impact of high electric current to fluorescent tube, the life-span of having improved Metal halogen lamp; Hafnium oxide and yittrium oxide can generate a kind of stable mixture, suppress the evaporation of yittrium 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 with connecting rod 2 one end away from lead-out wire 1.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, hafnium oxide and yittrium oxide, and in electrode bar 3, the gross mass percentage composition of hafnium oxide and yittrium oxide is 0.2%, and all the other are tungsten, and the mass ratio of hafnium oxide and yittrium oxide is 0.9:1.Molybdenum filament helicoid 4 is set around connecting rod 2.Tungsten filament helix body 5 is set around electrode bar 3 away from one end of 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.
Sodium iodide in Illuminant pill, the mol 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.
Ceramic metal halogen lamp pole is applied in ceramic gold-halogen lamp, uses 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 76, and colour temperature is 3870K relatively.
Method of testing 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. light source is got the mean value of these effective lamp parameters in each parameter of each test point.
Embodiment 2
The structure of the ceramic gold-halogen lamp lighting electrode of embodiment 2 and the ceramic gold-halogen lamp lighting electrode structure in embodiment 1 are roughly the same, its difference is, in embodiment 2, the material of electrode bar 3 comprises tungsten, hafnium oxide and yittrium oxide, in electrode bar 3, the gross mass percentage composition of hafnium oxide and yittrium oxide is 2%, all the other are tungsten, and the mass ratio of hafnium oxide and yittrium oxide is 1.9:1; Illuminant pill is identical with embodiment 1.
Ceramic metal halogen lamp pole and Illuminant pill are applied in ceramic gold-halogen lamp.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 82, and colour temperature is 3920K relatively.
Embodiment 3
The structure of the ceramic gold-halogen lamp lighting electrode of embodiment 3 and the ceramic gold-halogen lamp lighting electrode structure in embodiment 1 are roughly the same, its difference is, in embodiment 3, the material of electrode bar 3 comprises tungsten, hafnium oxide and yittrium oxide, in electrode bar 3, the gross mass percentage composition of hafnium oxide and yittrium oxide is 3%, all the other are tungsten, and the mass ratio of hafnium oxide and yittrium oxide is 2.8:1; Illuminant pill is identical with embodiment 1.
Ceramic metal halogen lamp pole is applied in ceramic gold-halogen lamp.Use the quick photochromic test system and test of electric light source to obtain, the luminous efficiency of ceramic gold-halogen lamp is 71Lm/w, and color rendering index is 80, and colour temperature is 3900K relatively.
Comparative example
The structure of the ceramic gold-halogen lamp lighting electrode of comparative example and the ceramic gold-halogen lamp lighting electrode structure in embodiment 1 are 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%, in thorium tungsten alloy, the quality percentage composition of tungsten is 98%, and Illuminant pill is identical with embodiment 1
Ceramic metal halogen lamp pole is applied in ceramic gold-halogen lamp.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, hafnium oxide and yittrium oxide, the gross mass percentage composition of hafnium oxide described in electrode bar and described yittrium oxide is 0.2%～3%, and the mass ratio of described hafnium oxide and described yittrium oxide is 0.9～2.8:1.
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 away from one end of 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 mol 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 |
|---|---|---|---|
| CN201310204387.8A CN104183461A (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 |
|---|---|---|---|
| CN201310204387.8A CN104183461A (en) | 2013-05-28 | 2013-05-28 | Ceramic halogen lamp electrode and ceramic halogen lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104183461A true CN104183461A (en) | 2014-12-03 |
Family
ID=51964423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310204387.8A Pending CN104183461A (en) | 2013-05-28 | 2013-05-28 | Ceramic halogen lamp electrode and ceramic halogen lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104183461A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4303848A (en) * | 1979-08-29 | 1981-12-01 | Toshiba Corporation | Discharge lamp and method of making same |
| US4574219A (en) * | 1984-05-25 | 1986-03-04 | General Electric Company | Lighting unit |
| CN1112285A (en) * | 1993-10-07 | 1995-11-22 | 菲利浦电子有限公司 | High-pressure metal halide discharge lamp |
| CN1471723A (en) * | 2001-05-08 | 2004-01-28 | �ʼҷ����ֵ�������˾ | Ceramic metal halide lamp |
| 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 |
| CN101901735A (en) * | 2010-07-26 | 2010-12-01 | 潮州市晨歌电光源有限公司 | Electrode assembly |
| CN201820741U (en) * | 2010-08-28 | 2011-05-04 | 浙江宇光照明科技有限公司 | Electrode of ceramic metal halide lamp |
-
2013
- 2013-05-28 CN CN201310204387.8A patent/CN104183461A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4303848A (en) * | 1979-08-29 | 1981-12-01 | Toshiba Corporation | Discharge lamp and method of making same |
| US4574219A (en) * | 1984-05-25 | 1986-03-04 | General Electric Company | Lighting unit |
| CN1112285A (en) * | 1993-10-07 | 1995-11-22 | 菲利浦电子有限公司 | High-pressure metal halide discharge lamp |
| CN1471723A (en) * | 2001-05-08 | 2004-01-28 | �ʼҷ����ֵ�������˾ | Ceramic metal halide lamp |
| 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 |
| CN101901735A (en) * | 2010-07-26 | 2010-12-01 | 潮州市晨歌电光源有限公司 | Electrode assembly |
| CN201820741U (en) * | 2010-08-28 | 2011-05-04 | 浙江宇光照明科技有限公司 | Electrode of ceramic metal halide lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5020806B2 (en) | Optimal shape ceramic metal halide lamp | |
| US8018155B2 (en) | Short arc type high voltage electrical discharge electrode, short arc type high voltage electrical discharge tube, short arc type high voltage electrical discharge light source apparatus, and their manufacturing methods | |
| US7138766B2 (en) | Dimmable metal halide lamp and lighting method | |
| CN104183461A (en) | Ceramic halogen lamp electrode and ceramic halogen lamp | |
| CN104183463A (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 | |
| 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 | |
| CN104183459A (en) | Ceramic halogen lamp electrode | |
| CN104183457A (en) | Ceramic halogen lamp electrode | |
| CN104183455A (en) | Ceramic halogen lamp electrode and ceramic halogen lamp | |
| CN104178675B (en) | The emissive material of ceramic gold-halogen lamp, its preparation method and application | |
| CN104658857A (en) | Ceramic metal halide lamp electrode and ceramic metal halide lamp | |
| EP2209133A2 (en) | High pressure mercury lamp | |
| EP1811541A2 (en) | Discharge lamp with a mercury - indium iodide fill | |
| CN104658854A (en) | Ceramic metal halide lamp electrode and ceramic metal halide lamp | |
| CN104183464A (en) | Ceramic halogen lamp electrode and ceramic halogen lamp | |
| Tu | Influence of mount structure on performance of ceramic metal halide lamps | |
| CN104183458A (en) | Ceramic halogen lamp electrode and ceramic halogen lamp | |
| CN104658856A (en) | Ceramic metal halide lamp electrode and ceramic metal halide lamp | |
| Kane et al. | The high pressure sodium lamp | |
| CN104658853A (en) | Ceramic metal halide lamp electrode and ceramic metal halide lamp | |
| CN104658869A (en) | Ceramic metal halide lamp electrode and ceramic metal halide lamp | |
| CN104465305A (en) | Metal halide lamp electrode and ceramic metal halide lamp |
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 |